254496691 has 2 divisors, whose sum is σ = 254496692. Its totient is φ = 254496690.

The previous prime is 254496689. The next prime is 254496709. The reversal of 254496691 is 196694452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 254496691 - 2¹ = 254496689 is a prime.

Together with 254496689, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (254496601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127248345 + 127248346.

It is an arithmetic number, because the mean of its divisors is an integer number (127248346).

Almost surely, 2^254496691 is an apocalyptic number.

254496691 is a deficient number, since it is larger than the sum of its proper divisors (1).

254496691 is an equidigital number, since it uses as much as digits as its factorization.

254496691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 46.

The square root of 254496691 is about 15952.9524226709. The cubic root of 254496691 is about 633.7150870805.

It can be divided in two parts, 2544 and 96691, that added together give a triangular number (99235 = T₄₄₅).

The spelling of 254496691 in words is "two hundred fifty-four million, four hundred ninety-six thousand, six hundred ninety-one".