1252456528 has 20 divisors (see below), whose sum is σ = 2483069248. Its totient is φ = 611664480.

The previous prime is 1252456501. The next prime is 1252456529. The reversal of 1252456528 is 8256542521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252456529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909528 + ... + 910903.

Almost surely, 2^1252456528 is an apocalyptic number.

It is an amenable number.

1252456528 is a deficient number, since it is larger than the sum of its proper divisors (1230612720).

1252456528 is a wasteful number, since it uses less digits than its factorization.

1252456528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820482 (or 1820476 counting only the distinct ones).

The product of its digits is 192000, while the sum is 40.

The square root of 1252456528 is about 35390.0625599899. The cubic root of 1252456528 is about 1077.9225404809.

The spelling of 1252456528 in words is "one billion, two hundred fifty-two million, four hundred fifty-six thousand, five hundred twenty-eight".