252065413 has 4 divisors (see below), whose sum is σ = 253120320. Its totient is φ = 251010508.

The previous prime is 252065393. The next prime is 252065447. The reversal of 252065413 is 314560252.

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 252065413 - 2²¹ = 249968261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252065213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527095 + ... + 527572.

It is an arithmetic number, because the mean of its divisors is an integer number (63280080).

Almost surely, 2^252065413 is an apocalyptic number.

It is an amenable number.

252065413 is a deficient number, since it is larger than the sum of its proper divisors (1054907).

252065413 is a wasteful number, since it uses less digits than its factorization.

252065413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054906.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 252065413 is about 15876.5680485425. The cubic root of 252065413 is about 631.6906074225.

The spelling of 252065413 in words is "two hundred fifty-two million, sixty-five thousand, four hundred thirteen".