1525323488 has 48 divisors (see below), whose sum is σ = 3237751440. Its totient is φ = 703174656.

The previous prime is 1525323479. The next prime is 1525323497. The reversal of 1525323488 is 8843235251.

It is an interprime number because it is at equal distance from previous prime (1525323479) and next prime (1525323497).

It is a super-2 number, since 2×1525323488² = 4653223486088972288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492248 + ... + 495336.

It is an arithmetic number, because the mean of its divisors is an integer number (67453155).

Almost surely, 2^1525323488 is an apocalyptic number.

It is an amenable number.

1525323488 is an abundant number, since it is smaller than the sum of its proper divisors (1712427952).

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

1525323488 is a wasteful number, since it uses less digits than its factorization.

1525323488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4299 (or 4291 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 1525323488 is about 39055.3899993330. The cubic root of 1525323488 is about 1151.1201405994.

The spelling of 1525323488 in words is "one billion, five hundred twenty-five million, three hundred twenty-three thousand, four hundred eighty-eight".