254646949 has 4 divisors (see below), whose sum is σ = 268049440. Its totient is φ = 241244460.

The previous prime is 254646947. The next prime is 254646971. The reversal of 254646949 is 949646452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 254646949 - 2¹ = 254646947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254646947) 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, 6701217 + ... + 6701254.

It is an arithmetic number, because the mean of its divisors is an integer number (67012360).

Almost surely, 2^254646949 is an apocalyptic number.

It is an amenable number.

254646949 is a deficient number, since it is larger than the sum of its proper divisors (13402491).

254646949 is a wasteful number, since it uses less digits than its factorization.

254646949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13402490.

The product of its digits is 1866240, while the sum is 49.

The square root of 254646949 is about 15957.6611381493. The cubic root of 254646949 is about 633.8397802903.

The spelling of 254646949 in words is "two hundred fifty-four million, six hundred forty-six thousand, nine hundred forty-nine".