254267025499 has 2 divisors, whose sum is σ = 254267025500. Its totient is φ = 254267025498.

The previous prime is 254267025457. The next prime is 254267025533. The reversal of 254267025499 is 994520762452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254267025499 - 2¹⁵ = 254266992731 is a prime.

It is a super-2 number, since 2×254267025499² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (254267025899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127133512749 + 127133512750.

It is an arithmetic number, because the mean of its divisors is an integer number (127133512750).

Almost surely, 2^254267025499 is an apocalyptic number.

254267025499 is a deficient number, since it is larger than the sum of its proper divisors (1).

254267025499 is an equidigital number, since it uses as much as digits as its factorization.

254267025499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 254267025499 in words is "two hundred fifty-four billion, two hundred sixty-seven million, twenty-five thousand, four hundred ninety-nine".