252388061 has 2 divisors, whose sum is σ = 252388062. Its totient is φ = 252388060.

The previous prime is 252388057. The next prime is 252388093. The reversal of 252388061 is 160883252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210540100 + 41847961 = 14510^2 + 6469^2 .

It is a cyclic number.

It is not a de Polignac number, because 252388061 - 2² = 252388057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252388561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126194030 + 126194031.

It is an arithmetic number, because the mean of its divisors is an integer number (126194031).

Almost surely, 2^252388061 is an apocalyptic number.

It is an amenable number.

252388061 is a deficient number, since it is larger than the sum of its proper divisors (1).

252388061 is an equidigital number, since it uses as much as digits as its factorization.

252388061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 252388061 is about 15886.7259370834. The cubic root of 252388061 is about 631.9600173993.

The spelling of 252388061 in words is "two hundred fifty-two million, three hundred eighty-eight thousand, sixty-one".