1025555264 has 14 divisors (see below), whose sum is σ = 2035086354. Its totient is φ = 512777600.

The previous prime is 1025555249. The next prime is 1025555273. The reversal of 1025555264 is 4625555201.

It can be written as a sum of positive squares in only one way, i.e., 520204864 + 505350400 = 22808^2 + 22480^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8012087 + ... + 8012214.

It is an arithmetic number, because the mean of its divisors is an integer number (145363311).

Almost surely, 2^1025555264 is an apocalyptic number.

It is an amenable number.

1025555264 is a deficient number, since it is larger than the sum of its proper divisors (1009531090).

1025555264 is an equidigital number, since it uses as much as digits as its factorization.

1025555264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16024313 (or 16024303 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 1025555264 is about 32024.2917798349. The cubic root of 1025555264 is about 1008.4468708131.

The spelling of 1025555264 in words is "one billion, twenty-five million, five hundred fifty-five thousand, two hundred sixty-four".