1252504535 has 8 divisors (see below), whose sum is σ = 1517887296. Its totient is φ = 992082400.

The previous prime is 1252504523. The next prime is 1252504541. The reversal of 1252504535 is 5354052521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1252504535 - 2¹⁸ = 1252242391 is a prime.

It is a super-2 number, since 2×1252504535² = 3137535220391132450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239599 + ... + 1240608.

It is an arithmetic number, because the mean of its divisors is an integer number (189735912).

Almost surely, 2^1252504535 is an apocalyptic number.

1252504535 is a deficient number, since it is larger than the sum of its proper divisors (265382761).

1252504535 is a wasteful number, since it uses less digits than its factorization.

1252504535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480313.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 1252504535 is about 35390.7408088613. The cubic root of 1252504535 is about 1077.9363126598.

The spelling of 1252504535 in words is "one billion, two hundred fifty-two million, five hundred four thousand, five hundred thirty-five".