253685452 has 12 divisors (see below), whose sum is σ = 447879096. Its totient is φ = 125720000.

The previous prime is 253685429. The next prime is 253685479. The reversal of 253685452 is 254586352.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280174 + ... + 281077.

It is an arithmetic number, because the mean of its divisors is an integer number (37323258).

Almost surely, 2^253685452 is an apocalyptic number.

It is an amenable number.

253685452 is a deficient number, since it is larger than the sum of its proper divisors (194193644).

253685452 is a wasteful number, since it uses less digits than its factorization.

253685452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561368 (or 561366 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 253685452 is about 15927.5061450310. The cubic root of 253685452 is about 633.0410225089.

The spelling of 253685452 in words is "two hundred fifty-three million, six hundred eighty-five thousand, four hundred fifty-two".