254532478 has 16 divisors (see below), whose sum is σ = 397262880. Its totient is φ = 122162656.

The previous prime is 254532433. The next prime is 254532497. The reversal of 254532478 is 874235452.

It is a self number, because there is not a number n which added to its sum of digits gives 254532478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2650 + ... + 22717.

It is an arithmetic number, because the mean of its divisors is an integer number (24828930).

Almost surely, 2^254532478 is an apocalyptic number.

254532478 is a deficient number, since it is larger than the sum of its proper divisors (142730402).

254532478 is a wasteful number, since it uses less digits than its factorization.

254532478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25571.

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

The square root of 254532478 is about 15954.0740251511. The cubic root of 254532478 is about 633.7447897573.

The spelling of 254532478 in words is "two hundred fifty-four million, five hundred thirty-two thousand, four hundred seventy-eight".