252363721 has 2 divisors, whose sum is σ = 252363722. Its totient is φ = 252363720.

The previous prime is 252363707. The next prime is 252363739. The reversal of 252363721 is 127363252.

252363721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251666496 + 697225 = 15864^2 + 835^2 .

It is a cyclic number.

It is not a de Polignac number, because 252363721 - 2¹³ = 252355529 is a prime.

It is not a weakly prime, because it can be changed into another prime (252369721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126181860 + 126181861.

It is an arithmetic number, because the mean of its divisors is an integer number (126181861).

Almost surely, 2^252363721 is an apocalyptic number.

It is an amenable number.

252363721 is a deficient number, since it is larger than the sum of its proper divisors (1).

252363721 is an equidigital number, since it uses as much as digits as its factorization.

252363721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 252363721 is about 15885.9598702754. The cubic root of 252363721 is about 631.9397015924.

The spelling of 252363721 in words is "two hundred fifty-two million, three hundred sixty-three thousand, seven hundred twenty-one".