253437671 has 2 divisors, whose sum is σ = 253437672. Its totient is φ = 253437670.

The previous prime is 253437661. The next prime is 253437673. The reversal of 253437671 is 176734352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 253437671 - 2⁶ = 253437607 is a prime.

Together with 253437673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253437673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126718835 + 126718836.

It is an arithmetic number, because the mean of its divisors is an integer number (126718836).

Almost surely, 2^253437671 is an apocalyptic number.

253437671 is a deficient number, since it is larger than the sum of its proper divisors (1).

253437671 is an equidigital number, since it uses as much as digits as its factorization.

253437671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 38.

The square root of 253437671 is about 15919.7258456294. The cubic root of 253437671 is about 632.8348529758.

The spelling of 253437671 in words is "two hundred fifty-three million, four hundred thirty-seven thousand, six hundred seventy-one".