254674514261 has 2 divisors, whose sum is σ = 254674514262. Its totient is φ = 254674514260.

The previous prime is 254674514239. The next prime is 254674514267. The reversal of 254674514261 is 162415476452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230837007025 + 23837507236 = 480455^2 + 154394^2 .

It is a cyclic number.

It is not a de Polignac number, because 254674514261 - 2¹⁴ = 254674497877 is a prime.

It is a super-2 number, since 2×254674514261² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254674514267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127337257130 + 127337257131.

It is an arithmetic number, because the mean of its divisors is an integer number (127337257131).

Almost surely, 2^254674514261 is an apocalyptic number.

It is an amenable number.

254674514261 is a deficient number, since it is larger than the sum of its proper divisors (1).

254674514261 is an equidigital number, since it uses as much as digits as its factorization.

254674514261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 47.

The spelling of 254674514261 in words is "two hundred fifty-four billion, six hundred seventy-four million, five hundred fourteen thousand, two hundred sixty-one".