253613967 has 4 divisors (see below), whose sum is σ = 338151960. Its totient is φ = 169075976.

The previous prime is 253613963. The next prime is 253613977. The reversal of 253613967 is 769316352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253613967 - 2² = 253613963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253613963) 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 in 3 ways as a sum of consecutive naturals, for example, 42268992 + ... + 42268997.

It is an arithmetic number, because the mean of its divisors is an integer number (84537990).

Almost surely, 2^253613967 is an apocalyptic number.

253613967 is a deficient number, since it is larger than the sum of its proper divisors (84537993).

253613967 is an equidigital number, since it uses as much as digits as its factorization.

253613967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84537992.

The product of its digits is 204120, while the sum is 42.

The square root of 253613967 is about 15925.2619130738. The cubic root of 253613967 is about 632.9815562311.

The spelling of 253613967 in words is "two hundred fifty-three million, six hundred thirteen thousand, nine hundred sixty-seven".