253672385 has 16 divisors (see below), whose sum is σ = 327131136. Its totient is φ = 188145408.

The previous prime is 253672381. The next prime is 253672387. The reversal of 253672385 is 583276352.

It is a cyclic number.

It is not a de Polignac number, because 253672385 - 2² = 253672381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253672381) 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 15 ways as a sum of consecutive naturals, for example, 16577 + ... + 27966.

It is an arithmetic number, because the mean of its divisors is an integer number (20445696).

Almost surely, 2^253672385 is an apocalyptic number.

It is an amenable number.

253672385 is a deficient number, since it is larger than the sum of its proper divisors (73458751).

253672385 is a wasteful number, since it uses less digits than its factorization.

253672385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44632.

The product of its digits is 302400, while the sum is 41.

The square root of 253672385 is about 15927.0959374269. The cubic root of 253672385 is about 633.0301532888.

The spelling of 253672385 in words is "two hundred fifty-three million, six hundred seventy-two thousand, three hundred eighty-five".