253474617 has 16 divisors (see below), whose sum is σ = 370960128. Its totient is φ = 152675280.

The previous prime is 253474603. The next prime is 253474633. The reversal of 253474617 is 716474352.

It is not a de Polignac number, because 253474617 - 2¹² = 253470521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253474517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18183 + ... + 28940.

It is an arithmetic number, because the mean of its divisors is an integer number (23185008).

Almost surely, 2^253474617 is an apocalyptic number.

It is an amenable number.

253474617 is a deficient number, since it is larger than the sum of its proper divisors (117485511).

253474617 is a wasteful number, since it uses less digits than its factorization.

253474617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47300.

The product of its digits is 141120, while the sum is 39.

The square root of 253474617 is about 15920.8861876467. The cubic root of 253474617 is about 632.8656029170.

The spelling of 253474617 in words is "two hundred fifty-three million, four hundred seventy-four thousand, six hundred seventeen".