254776542 has 64 divisors (see below), whose sum is σ = 548674560. Its totient is φ = 78713600.

The previous prime is 254776541. The next prime is 254776559. The reversal of 254776542 is 245677452.

It is a super-2 number, since 2×254776542² = 129822172706955528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 254776494 and 254776503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254776541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506263 + ... + 506765.

It is an arithmetic number, because the mean of its divisors is an integer number (8573040).

Almost surely, 2^254776542 is an apocalyptic number.

254776542 is an abundant number, since it is smaller than the sum of its proper divisors (293898018).

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

254776542 is a wasteful number, since it uses less digits than its factorization.

254776542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649.

The product of its digits is 470400, while the sum is 42.

The square root of 254776542 is about 15961.7211477961. The cubic root of 254776542 is about 633.9472850384.

The spelling of 254776542 in words is "two hundred fifty-four million, seven hundred seventy-six thousand, five hundred forty-two".