253274544 has 30 divisors (see below), whose sum is σ = 708817356. Its totient is φ = 84424800.

The previous prime is 253274543. The next prime is 253274561. The reversal of 253274544 is 445472352.

253274544 is a `hidden beast` number, since 2 + 532 + 74 + 54 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 253274499 and 253274508.

It is not an unprimeable number, because it can be changed into a prime (253274543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 879282 + ... + 879569.

Almost surely, 2^253274544 is an apocalyptic number.

253274544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

253274544 is an abundant number, since it is smaller than the sum of its proper divisors (455542812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253274544 is a wasteful number, since it uses less digits than its factorization.

253274544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758865 (or 1758856 counting only the distinct ones).

The product of its digits is 134400, while the sum is 36.

The square root of 253274544 is about 15914.6015972754. The cubic root of 253274544 is about 632.6990475825.

The spelling of 253274544 in words is "two hundred fifty-three million, two hundred seventy-four thousand, five hundred forty-four".