253256101 has 16 divisors (see below), whose sum is σ = 305078400. Its totient is φ = 205627968.

The previous prime is 253256099. The next prime is 253256117. The reversal of 253256101 is 101652352.

It is not a de Polignac number, because 253256101 - 2¹ = 253256099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253256131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011 + ... + 22528.

It is an arithmetic number, because the mean of its divisors is an integer number (19067400).

Almost surely, 2^253256101 is an apocalyptic number.

It is an amenable number.

253256101 is a deficient number, since it is larger than the sum of its proper divisors (51822299).

253256101 is a wasteful number, since it uses less digits than its factorization.

253256101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23628.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 253256101 is about 15914.0221502925. The cubic root of 253256101 is about 632.6836898715.

The spelling of 253256101 in words is "two hundred fifty-three million, two hundred fifty-six thousand, one hundred one".