252006253 has 4 divisors (see below), whose sum is σ = 265269760. Its totient is φ = 238742748.

The previous prime is 252006247. The next prime is 252006257. The reversal of 252006253 is 352600252.

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 not a de Polignac number, because 252006253 - 2⁵ = 252006221 is a prime.

It is a super-2 number, since 2×252006253² = 127014303102200018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252006257) 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, 6631725 + ... + 6631762.

It is an arithmetic number, because the mean of its divisors is an integer number (66317440).

Almost surely, 2^252006253 is an apocalyptic number.

It is an amenable number.

252006253 is a deficient number, since it is larger than the sum of its proper divisors (13263507).

252006253 is a wasteful number, since it uses less digits than its factorization.

252006253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13263506.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 252006253 is about 15874.7048161533. The cubic root of 252006253 is about 631.6411840871.

The spelling of 252006253 in words is "two hundred fifty-two million, six thousand, two hundred fifty-three".