254315478 has 16 divisors (see below), whose sum is σ = 538550640. Its totient is φ = 79785216.

The previous prime is 254315407. The next prime is 254315483. The reversal of 254315478 is 874513452.

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, 1246543 + ... + 1246746.

It is an arithmetic number, because the mean of its divisors is an integer number (33659415).

Almost surely, 2^254315478 is an apocalyptic number.

254315478 is an abundant number, since it is smaller than the sum of its proper divisors (284235162).

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

254315478 is a wasteful number, since it uses less digits than its factorization.

254315478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493311.

The product of its digits is 134400, while the sum is 39.

The square root of 254315478 is about 15947.2718042930. The cubic root of 254315478 is about 633.5646402268.

The spelling of 254315478 in words is "two hundred fifty-four million, three hundred fifteen thousand, four hundred seventy-eight".