254663131 has 4 divisors (see below), whose sum is σ = 256999600. Its totient is φ = 252326664.

The previous prime is 254663113. The next prime is 254663141. The reversal of 254663131 is 131366452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254663131 is a prime.

It is a super-2 number, since 2×254663131² = 129706620581446322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254663093 and 254663102.

It is not an unprimeable number, because it can be changed into a prime (254663141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1168071 + ... + 1168288.

It is an arithmetic number, because the mean of its divisors is an integer number (64249900).

Almost surely, 2^254663131 is an apocalyptic number.

254663131 is a deficient number, since it is larger than the sum of its proper divisors (2336469).

254663131 is a wasteful number, since it uses less digits than its factorization.

254663131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336468.

The product of its digits is 12960, while the sum is 31.

The square root of 254663131 is about 15958.1681592844. The cubic root of 254663131 is about 633.8532061702.

The spelling of 254663131 in words is "two hundred fifty-four million, six hundred sixty-three thousand, one hundred thirty-one".