1252533356 has 12 divisors (see below), whose sum is σ = 2287234992. Its totient is φ = 599037648.

The previous prime is 1252533349. The next prime is 1252533367. The reversal of 1252533356 is 6533352521.

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, 6807155 + ... + 6807338.

It is an arithmetic number, because the mean of its divisors is an integer number (190602916).

Almost surely, 2^1252533356 is an apocalyptic number.

It is an amenable number.

1252533356 is a deficient number, since it is larger than the sum of its proper divisors (1034701636).

1252533356 is a wasteful number, since it uses less digits than its factorization.

1252533356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13614520 (or 13614518 counting only the distinct ones).

The product of its digits is 81000, while the sum is 35.

The square root of 1252533356 is about 35391.1479892925. The cubic root of 1252533356 is about 1077.9445806177.

Adding to 1252533356 its reverse (6533352521), we get a palindrome (7785885877).

The spelling of 1252533356 in words is "one billion, two hundred fifty-two million, five hundred thirty-three thousand, three hundred fifty-six".