253682399 has 2 divisors, whose sum is σ = 253682400. Its totient is φ = 253682398.

The previous prime is 253682371. The next prime is 253682441. The reversal of 253682399 is 993286352.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253682399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253682309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126841199 + 126841200.

It is an arithmetic number, because the mean of its divisors is an integer number (126841200).

Almost surely, 2^253682399 is an apocalyptic number.

253682399 is a deficient number, since it is larger than the sum of its proper divisors (1).

253682399 is an equidigital number, since it uses as much as digits as its factorization.

253682399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 47.

The square root of 253682399 is about 15927.4103042522. The cubic root of 253682399 is about 633.0384830360.

The spelling of 253682399 in words is "two hundred fifty-three million, six hundred eighty-two thousand, three hundred ninety-nine".