253665041 has 32 divisors (see below), whose sum is σ = 318193920. Its totient is φ = 197277696.

The previous prime is 253665031. The next prime is 253665047. The reversal of 253665041 is 140566352.

It is not a de Polignac number, because 253665041 - 2¹⁰ = 253664017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253664989 and 253665007.

It is not an unprimeable number, because it can be changed into a prime (253665047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 455135 + ... + 455691.

It is an arithmetic number, because the mean of its divisors is an integer number (9943560).

Almost surely, 2^253665041 is an apocalyptic number.

It is an amenable number.

253665041 is a deficient number, since it is larger than the sum of its proper divisors (64528879).

253665041 is a wasteful number, since it uses less digits than its factorization.

253665041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 253665041 is about 15926.8653852539. The cubic root of 253665041 is about 633.0240443354.

The spelling of 253665041 in words is "two hundred fifty-three million, six hundred sixty-five thousand, forty-one".