1025565528 has 64 divisors (see below), whose sum is σ = 2923572960. Its totient is φ = 296994816.

The previous prime is 1025565517. The next prime is 1025565571. The reversal of 1025565528 is 8255655201.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91375 + ... + 101982.

Almost surely, 2^1025565528 is an apocalyptic number.

It is an amenable number.

1025565528 is an abundant number, since it is smaller than the sum of its proper divisors (1898007432).

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

1025565528 is a wasteful number, since it uses less digits than its factorization.

1025565528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193396 (or 193392 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 39.

The square root of 1025565528 is about 32024.4520327827. The cubic root of 1025565528 is about 1008.4502350603.

The spelling of 1025565528 in words is "one billion, twenty-five million, five hundred sixty-five thousand, five hundred twenty-eight".