254705131 has 2 divisors, whose sum is σ = 254705132. Its totient is φ = 254705130.

The previous prime is 254705081. The next prime is 254705153. The reversal of 254705131 is 131507452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254705131 - 2¹¹ = 254703083 is a prime.

It is a super-2 number, since 2×254705131² = 129749407515454322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 254705131.

It is not a weakly prime, because it can be changed into another prime (254703131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127352565 + 127352566.

It is an arithmetic number, because the mean of its divisors is an integer number (127352566).

Almost surely, 2^254705131 is an apocalyptic number.

254705131 is a deficient number, since it is larger than the sum of its proper divisors (1).

254705131 is an equidigital number, since it uses as much as digits as its factorization.

254705131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 254705131 is about 15959.4840455448. The cubic root of 254705131 is about 633.8880500719. Note that the first 3 decimals are identical.

The spelling of 254705131 in words is "two hundred fifty-four million, seven hundred five thousand, one hundred thirty-one".