1525765968 has 60 divisors (see below), whose sum is σ = 4494771840. Its totient is φ = 481819968.

The previous prime is 1525765921. The next prime is 1525765993. The reversal of 1525765968 is 8695675251.

1525765968 is a `hidden beast` number, since 1 + 5 + 2 + 576 + 5 + 9 + 68 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 276096 + ... + 281567.

It is an arithmetic number, because the mean of its divisors is an integer number (74912864).

Almost surely, 2^1525765968 is an apocalyptic number.

1525765968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1525765968 is an abundant number, since it is smaller than the sum of its proper divisors (2969005872).

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

1525765968 is a wasteful number, since it uses less digits than its factorization.

1525765968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557696 (or 557687 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 54.

The square root of 1525765968 is about 39061.0543636497. The cubic root of 1525765968 is about 1151.2314390441.

It can be divided in two parts, 15257 and 65968, that added together give a square (81225 = 285²).

The spelling of 1525765968 in words is "one billion, five hundred twenty-five million, seven hundred sixty-five thousand, nine hundred sixty-eight".