253672013 has 4 divisors (see below), whose sum is σ = 289910880. Its totient is φ = 217433148.

The previous prime is 253672009. The next prime is 253672031. The reversal of 253672013 is 310276352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253672013 - 2² = 253672009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253672033) 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 in 3 ways as a sum of consecutive naturals, for example, 18119423 + ... + 18119436.

It is an arithmetic number, because the mean of its divisors is an integer number (72477720).

Almost surely, 2^253672013 is an apocalyptic number.

It is an amenable number.

253672013 is a deficient number, since it is larger than the sum of its proper divisors (36238867).

253672013 is an equidigital number, since it uses as much as digits as its factorization.

253672013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36238866.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 253672013 is about 15927.0842592108. The cubic root of 253672013 is about 633.0298438511.

The spelling of 253672013 in words is "two hundred fifty-three million, six hundred seventy-two thousand, thirteen".