1252053556 has 48 divisors (see below), whose sum is σ = 2421090000. Its totient is φ = 562977792.

The previous prime is 1252053529. The next prime is 1252053557. The reversal of 1252053556 is 6553502521.

It can be written as a sum of positive squares in 8 ways, for example, as 313856656 + 938196900 = 17716^2 + 30630^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252053557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409120 + ... + 412168.

It is an arithmetic number, because the mean of its divisors is an integer number (50439375).

Almost surely, 2^1252053556 is an apocalyptic number.

It is an amenable number.

1252053556 is a deficient number, since it is larger than the sum of its proper divisors (1169036444).

1252053556 is a wasteful number, since it uses less digits than its factorization.

1252053556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268 (or 3266 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 1252053556 is about 35384.3688088399. The cubic root of 1252053556 is about 1077.8069225768.

The spelling of 1252053556 in words is "one billion, two hundred fifty-two million, fifty-three thousand, five hundred fifty-six".