1255897528 has 16 divisors (see below), whose sum is σ = 2404910880. Its totient is φ = 614587968.

The previous prime is 1255897501. The next prime is 1255897537. The reversal of 1255897528 is 8257985521.

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, 1669701 + ... + 1670452.

It is an arithmetic number, because the mean of its divisors is an integer number (150306930).

Almost surely, 2^1255897528 is an apocalyptic number.

It is an amenable number.

1255897528 is a deficient number, since it is larger than the sum of its proper divisors (1149013352).

1255897528 is a wasteful number, since it uses less digits than its factorization.

1255897528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340206 (or 3340202 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 52.

The square root of 1255897528 is about 35438.6445564725. The cubic root of 1255897528 is about 1078.9087995461.

The spelling of 1255897528 in words is "one billion, two hundred fifty-five million, eight hundred ninety-seven thousand, five hundred twenty-eight".