253705484 has 24 divisors (see below), whose sum is σ = 470590848. Its totient is φ = 119266560.

The previous prime is 253705469. The next prime is 253705489. The reversal of 253705484 is 484507352.

It is a happy number.

It is a super-2 number, since 2×253705484² = 128732945223348512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253705489) 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, 117317 + ... + 119459.

It is an arithmetic number, because the mean of its divisors is an integer number (19607952).

Almost surely, 2^253705484 is an apocalyptic number.

It is an amenable number.

253705484 is a deficient number, since it is larger than the sum of its proper divisors (216885364).

253705484 is a wasteful number, since it uses less digits than its factorization.

253705484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905 (or 3903 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 253705484 is about 15928.1349818489. The cubic root of 253705484 is about 633.0576845391.

The spelling of 253705484 in words is "two hundred fifty-three million, seven hundred five thousand, four hundred eighty-four".