1025457460 has 12 divisors (see below), whose sum is σ = 2153460708. Its totient is φ = 410182976.

The previous prime is 1025457457. The next prime is 1025457481. The reversal of 1025457460 is 647545201.

It can be written as a sum of positive squares in 2 ways, for example, as 212751396 + 812706064 = 14586^2 + 28508^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25636417 + ... + 25636456.

It is an arithmetic number, because the mean of its divisors is an integer number (179455059).

Almost surely, 2^1025457460 is an apocalyptic number.

1025457460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025457460 is an abundant number, since it is smaller than the sum of its proper divisors (1128003248).

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

1025457460 is a wasteful number, since it uses less digits than its factorization.

1025457460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51272882 (or 51272880 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 1025457460 is about 32022.7647151210. The cubic root of 1025457460 is about 1008.4148123186.

The spelling of 1025457460 in words is "one billion, twenty-five million, four hundred fifty-seven thousand, four hundred sixty".