254597881 has 2 divisors, whose sum is σ = 254597882. Its totient is φ = 254597880.

The previous prime is 254597869. The next prime is 254597887. The reversal of 254597881 is 188795452.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152769600 + 101828281 = 12360^2 + 10091^2 .

It is a cyclic number.

It is not a de Polignac number, because 254597881 - 2⁷ = 254597753 is a prime.

It is a super-2 number, since 2×254597881² = 129640162019380322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (254597887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127298940 + 127298941.

It is an arithmetic number, because the mean of its divisors is an integer number (127298941).

Almost surely, 2^254597881 is an apocalyptic number.

It is an amenable number.

254597881 is a deficient number, since it is larger than the sum of its proper divisors (1).

254597881 is an equidigital number, since it uses as much as digits as its factorization.

254597881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 49.

The square root of 254597881 is about 15956.1236207294. The cubic root of 254597881 is about 633.7990660801.

The spelling of 254597881 in words is "two hundred fifty-four million, five hundred ninety-seven thousand, eight hundred eighty-one".