253274845 has 8 divisors (see below), whose sum is σ = 319926240. Its totient is φ = 191955600.

The previous prime is 253274843. The next prime is 253274849. The reversal of 253274845 is 548472352.

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

It is not a de Polignac number, because 253274845 - 2¹ = 253274843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253274798 and 253274807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253274843) 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, 1332931 + ... + 1333120.

It is an arithmetic number, because the mean of its divisors is an integer number (39990780).

Almost surely, 2^253274845 is an apocalyptic number.

It is an amenable number.

253274845 is a deficient number, since it is larger than the sum of its proper divisors (66651395).

253274845 is a wasteful number, since it uses less digits than its factorization.

253274845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666075.

The product of its digits is 268800, while the sum is 40.

The square root of 253274845 is about 15914.6110539969. The cubic root of 253274845 is about 632.6992982227.

It can be divided in two parts, 2532 and 74845, that added together give a palindrome (77377).

The spelling of 253274845 in words is "two hundred fifty-three million, two hundred seventy-four thousand, eight hundred forty-five".