253647413 has 2 divisors, whose sum is σ = 253647414. Its totient is φ = 253647412.

The previous prime is 253647377. The next prime is 253647451. The reversal of 253647413 is 314746352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150381169 + 103266244 = 12263^2 + 10162^2 .

It is a cyclic number.

It is not a de Polignac number, because 253647413 - 2⁶ = 253647349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253646413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126823706 + 126823707.

It is an arithmetic number, because the mean of its divisors is an integer number (126823707).

Almost surely, 2^253647413 is an apocalyptic number.

It is an amenable number.

253647413 is a deficient number, since it is larger than the sum of its proper divisors (1).

253647413 is an equidigital number, since it uses as much as digits as its factorization.

253647413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 35.

The square root of 253647413 is about 15926.3119710748. The cubic root of 253647413 is about 633.0093803697.

The spelling of 253647413 in words is "two hundred fifty-three million, six hundred forty-seven thousand, four hundred thirteen".