253496387 has 2 divisors, whose sum is σ = 253496388. Its totient is φ = 253496386.

The previous prime is 253496377. The next prime is 253496389. The reversal of 253496387 is 783694352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253496387 - 2⁶ = 253496323 is a prime.

Together with 253496389, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 253496387 parts by 22516 straight cuts.

It is not a weakly prime, because it can be changed into another prime (253496389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126748193 + 126748194.

It is an arithmetic number, because the mean of its divisors is an integer number (126748194).

Almost surely, 2^253496387 is an apocalyptic number.

253496387 is a deficient number, since it is larger than the sum of its proper divisors (1).

253496387 is an equidigital number, since it uses as much as digits as its factorization.

253496387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 47.

The square root of 253496387 is about 15921.5698660653. The cubic root of 253496387 is about 632.8837205625.

The spelling of 253496387 in words is "two hundred fifty-three million, four hundred ninety-six thousand, three hundred eighty-seven".