253706841 has 12 divisors (see below), whose sum is σ = 371105280. Its totient is φ = 166996440.

The previous prime is 253706833. The next prime is 253706879. The reversal of 253706841 is 148607352.

It is not a de Polignac number, because 253706841 - 2³ = 253706833 is a prime.

It is a super-2 number, since 2×253706841² = 128734322340398562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253706796 and 253706805.

It is not an unprimeable number, because it can be changed into a prime (253706881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177705 + ... + 179126.

It is an arithmetic number, because the mean of its divisors is an integer number (30925440).

Almost surely, 2^253706841 is an apocalyptic number.

It is an amenable number.

253706841 is a deficient number, since it is larger than the sum of its proper divisors (117398439).

253706841 is a wasteful number, since it uses less digits than its factorization.

253706841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356916 (or 356913 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 253706841 is about 15928.1775793717. The cubic root of 253706841 is about 633.0588132202.

The spelling of 253706841 in words is "two hundred fifty-three million, seven hundred six thousand, eight hundred forty-one".