253878472 has 16 divisors (see below), whose sum is σ = 480472560. Its totient is φ = 125752464.

The previous prime is 253878403. The next prime is 253878617. The reversal of 253878472 is 274878352.

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, 147438 + ... + 149149.

It is an arithmetic number, because the mean of its divisors is an integer number (30029535).

Almost surely, 2^253878472 is an apocalyptic number.

It is an amenable number.

253878472 is a deficient number, since it is larger than the sum of its proper divisors (226594088).

253878472 is a wasteful number, since it uses less digits than its factorization.

253878472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296700 (or 296696 counting only the distinct ones).

The product of its digits is 752640, while the sum is 46.

The square root of 253878472 is about 15933.5643218961. The cubic root of 253878472 is about 633.2015344085.

The spelling of 253878472 in words is "two hundred fifty-three million, eight hundred seventy-eight thousand, four hundred seventy-two".