253408441 has 8 divisors (see below), whose sum is σ = 297710784. Its totient is φ = 212650320.

The previous prime is 253408429. The next prime is 253408447. The reversal of 253408441 is 144804352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253408441 - 2⁷ = 253408313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253408447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885901 + ... + 886186.

It is an arithmetic number, because the mean of its divisors is an integer number (37213848).

Almost surely, 2^253408441 is an apocalyptic number.

It is an amenable number.

253408441 is a deficient number, since it is larger than the sum of its proper divisors (44302343).

253408441 is a wasteful number, since it uses less digits than its factorization.

253408441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772111.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 253408441 is about 15918.8077757098. The cubic root of 253408441 is about 632.8105228991.

The spelling of 253408441 in words is "two hundred fifty-three million, four hundred eight thousand, four hundred forty-one".