252564061 has 2 divisors, whose sum is σ = 252564062. Its totient is φ = 252564060.

The previous prime is 252564031. The next prime is 252564077. The reversal of 252564061 is 160465252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182088036 + 70476025 = 13494^2 + 8395^2 .

It is a cyclic number.

It is not a de Polignac number, because 252564061 - 2⁵ = 252564029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252564031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126282030 + 126282031.

It is an arithmetic number, because the mean of its divisors is an integer number (126282031).

Almost surely, 2^252564061 is an apocalyptic number.

It is an amenable number.

252564061 is a deficient number, since it is larger than the sum of its proper divisors (1).

252564061 is an equidigital number, since it uses as much as digits as its factorization.

252564061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 252564061 is about 15892.2641873334. The cubic root of 252564061 is about 632.1068800240.

The spelling of 252564061 in words is "two hundred fifty-two million, five hundred sixty-four thousand, sixty-one".