252567013 has 4 divisors (see below), whose sum is σ = 260714368. Its totient is φ = 244419660.

The previous prime is 252566971. The next prime is 252567037. The reversal of 252567013 is 310765252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252567013 is a prime.

It is a super-3 number, since 3×252567013³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 8147323 = 252567013 / (2 + 5 + 2 + 5 + 6 + 7 + 0 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252561013) 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, 4073631 + ... + 4073692.

It is an arithmetic number, because the mean of its divisors is an integer number (65178592).

Almost surely, 2^252567013 is an apocalyptic number.

It is an amenable number.

252567013 is a deficient number, since it is larger than the sum of its proper divisors (8147355).

252567013 is an equidigital number, since it uses as much as digits as its factorization.

252567013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8147354.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 252567013 is about 15892.3570624373. The cubic root of 252567013 is about 632.1093427289.

The spelling of 252567013 in words is "two hundred fifty-two million, five hundred sixty-seven thousand, thirteen".