254479648 has 12 divisors (see below), whose sum is σ = 501006870. Its totient is φ = 127239808.

The previous prime is 254479639. The next prime is 254479657. The reversal of 254479648 is 846974452.

It is an interprime number because it is at equal distance from previous prime (254479639) and next prime (254479657).

It can be written as a sum of positive squares in only one way, i.e., 185722384 + 68757264 = 13628^2 + 8292^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3976213 + ... + 3976276.

Almost surely, 2^254479648 is an apocalyptic number.

It is an amenable number.

254479648 is a deficient number, since it is larger than the sum of its proper divisors (246527222).

254479648 is an equidigital number, since it uses as much as digits as its factorization.

254479648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7952499 (or 7952491 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The square root of 254479648 is about 15952.4182492812. The cubic root of 254479648 is about 633.7009406656.

The spelling of 254479648 in words is "two hundred fifty-four million, four hundred seventy-nine thousand, six hundred forty-eight".