253696371 has 16 divisors (see below), whose sum is σ = 358243584. Its totient is φ = 159359904.

The previous prime is 253696367. The next prime is 253696393. The reversal of 253696371 is 173696352.

It is not a de Polignac number, because 253696371 - 2² = 253696367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253696871) 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, 22816 + ... + 32061.

It is an arithmetic number, because the mean of its divisors is an integer number (22390224).

Almost surely, 2^253696371 is an apocalyptic number.

253696371 is a deficient number, since it is larger than the sum of its proper divisors (104547213).

253696371 is a wasteful number, since it uses less digits than its factorization.

253696371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54970.

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

The square root of 253696371 is about 15927.8489131458. The cubic root of 253696371 is about 633.0501047217.

The spelling of 253696371 in words is "two hundred fifty-three million, six hundred ninety-six thousand, three hundred seventy-one".