253942373 has 2 divisors, whose sum is σ = 253942374. Its totient is φ = 253942372.

The previous prime is 253942361. The next prime is 253942387. The reversal of 253942373 is 373249352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 249071524 + 4870849 = 15782^2 + 2207^2 .

It is a cyclic number.

It is not a de Polignac number, because 253942373 - 2⁶ = 253942309 is a prime.

It is a super-2 number, since 2×253942373² = 128973457609742258, which contains 22 as substring.

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 (253942303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126971186 + 126971187.

It is an arithmetic number, because the mean of its divisors is an integer number (126971187).

Almost surely, 2^253942373 is an apocalyptic number.

It is an amenable number.

253942373 is a deficient number, since it is larger than the sum of its proper divisors (1).

253942373 is an equidigital number, since it uses as much as digits as its factorization.

253942373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 38.

The square root of 253942373 is about 15935.5694281692. The cubic root of 253942373 is about 633.2546553849.

The spelling of 253942373 in words is "two hundred fifty-three million, nine hundred forty-two thousand, three hundred seventy-three".