253955417 has 2 divisors, whose sum is σ = 253955418. Its totient is φ = 253955416.

The previous prime is 253955413. The next prime is 253955431. The reversal of 253955417 is 714559352.

253955417 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., 178195801 + 75759616 = 13349^2 + 8704^2 .

It is a cyclic number.

It is not a de Polignac number, because 253955417 - 2² = 253955413 is a prime.

It is a Chen prime.

It is equal to p_13883783 and since 253955417 and 13883783 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (253955413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126977708 + 126977709.

It is an arithmetic number, because the mean of its divisors is an integer number (126977709).

Almost surely, 2^253955417 is an apocalyptic number.

It is an amenable number.

253955417 is a deficient number, since it is larger than the sum of its proper divisors (1).

253955417 is an equidigital number, since it uses as much as digits as its factorization.

253955417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 41.

The square root of 253955417 is about 15935.9786960199. The cubic root of 253955417 is about 633.2654977822.

The spelling of 253955417 in words is "two hundred fifty-three million, nine hundred fifty-five thousand, four hundred seventeen".