253805701 has 2 divisors, whose sum is σ = 253805702. Its totient is φ = 253805700.

The previous prime is 253805677. The next prime is 253805719. The reversal of 253805701 is 107508352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248850625 + 4955076 = 15775^2 + 2226^2 .

It is a cyclic number.

It is not a de Polignac number, because 253805701 - 2²⁷ = 119587973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253805731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126902850 + 126902851.

It is an arithmetic number, because the mean of its divisors is an integer number (126902851).

Almost surely, 2^253805701 is an apocalyptic number.

It is an amenable number.

253805701 is a deficient number, since it is larger than the sum of its proper divisors (1).

253805701 is an equidigital number, since it uses as much as digits as its factorization.

253805701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 253805701 is about 15931.2805825521. The cubic root of 253805701 is about 633.1410289341.

The spelling of 253805701 in words is "two hundred fifty-three million, eight hundred five thousand, seven hundred one".