1025646260 has 12 divisors (see below), whose sum is σ = 2153857188. Its totient is φ = 410258496.

The previous prime is 1025646257. The next prime is 1025646263. The reversal of 1025646260 is 626465201.

1025646260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1025646257) and next prime (1025646263).

It can be written as a sum of positive squares in 2 ways, for example, as 476025124 + 549621136 = 21818^2 + 23444^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025646263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25641137 + ... + 25641176.

It is an arithmetic number, because the mean of its divisors is an integer number (179488099).

Almost surely, 2^1025646260 is an apocalyptic number.

1025646260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025646260 is an abundant number, since it is smaller than the sum of its proper divisors (1128210928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025646260 is a wasteful number, since it uses less digits than its factorization.

1025646260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51282322 (or 51282320 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1025646260 is about 32025.7124823165. The cubic root of 1025646260 is about 1008.4766959302.

The spelling of 1025646260 in words is "one billion, twenty-five million, six hundred forty-six thousand, two hundred sixty".