253768845 has 64 divisors (see below), whose sum is σ = 474255360. Its totient is φ = 114566400.

The previous prime is 253768817. The next prime is 253768859. The reversal of 253768845 is 548867352.

It is not a de Polignac number, because 253768845 - 2¹³ = 253760653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253768794 and 253768803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 190572 + ... + 191898.

It is an arithmetic number, because the mean of its divisors is an integer number (7410240).

Almost surely, 2^253768845 is an apocalyptic number.

It is an amenable number.

253768845 is a deficient number, since it is larger than the sum of its proper divisors (220486515).

253768845 is a wasteful number, since it uses less digits than its factorization.

253768845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426.

The product of its digits is 1612800, while the sum is 48.

The square root of 253768845 is about 15930.1238224943. The cubic root of 253768845 is about 633.1103805873.

The spelling of 253768845 in words is "two hundred fifty-three million, seven hundred sixty-eight thousand, eight hundred forty-five".