254625977 has 2 divisors, whose sum is σ = 254625978. Its totient is φ = 254625976.

The previous prime is 254625967. The next prime is 254625997. The reversal of 254625977 is 779526452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254593936 + 32041 = 15956^2 + 179^2 .

It is a cyclic number.

It is not a de Polignac number, because 254625977 - 2¹² = 254621881 is a prime.

It is a super-4 number, since 4×254625977⁴ (a number of 35 digits) contains 4444 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254625947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127312988 + 127312989.

It is an arithmetic number, because the mean of its divisors is an integer number (127312989).

Almost surely, 2^254625977 is an apocalyptic number.

It is an amenable number.

254625977 is a deficient number, since it is larger than the sum of its proper divisors (1).

254625977 is an equidigital number, since it uses as much as digits as its factorization.

254625977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 47.

The square root of 254625977 is about 15957.0040107785. The cubic root of 254625977 is about 633.8223793975.

The spelling of 254625977 in words is "two hundred fifty-four million, six hundred twenty-five thousand, nine hundred seventy-seven".