252061331 has 4 divisors (see below), whose sum is σ = 252253464. Its totient is φ = 251869200.

The previous prime is 252061319. The next prime is 252061351. The reversal of 252061331 is 133160252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252061331 - 2¹⁰ = 252060307 is a prime.

It is a super-2 number, since 2×252061331² = 127069829170983122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252061297 and 252061306.

It is not an unprimeable number, because it can be changed into a prime (252061351) 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, 94085 + ... + 96726.

It is an arithmetic number, because the mean of its divisors is an integer number (63063366).

Almost surely, 2^252061331 is an apocalyptic number.

252061331 is a deficient number, since it is larger than the sum of its proper divisors (192133).

252061331 is a wasteful number, since it uses less digits than its factorization.

252061331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192132.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 252061331 is about 15876.4394937908. The cubic root of 252061331 is about 631.6871974942.

The spelling of 252061331 in words is "two hundred fifty-two million, sixty-one thousand, three hundred thirty-one".