254664763 has 4 divisors (see below), whose sum is σ = 265737168. Its totient is φ = 243592360.

The previous prime is 254664757. The next prime is 254664769. The reversal of 254664763 is 367466452.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (254664757) and next prime (254664769).

It is a cyclic number.

It is not a de Polignac number, because 254664763 - 2⁵ = 254664731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254664769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5536168 + ... + 5536213.

It is an arithmetic number, because the mean of its divisors is an integer number (66434292).

Almost surely, 2^254664763 is an apocalyptic number.

254664763 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

254664763 is a deficient number, since it is larger than the sum of its proper divisors (11072405).

254664763 is a wasteful number, since it uses less digits than its factorization.

254664763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11072404.

The product of its digits is 725760, while the sum is 43.

The square root of 254664763 is about 15958.2192928910. The cubic root of 254664763 is about 633.8545601762.

The spelling of 254664763 in words is "two hundred fifty-four million, six hundred sixty-four thousand, seven hundred sixty-three".