254766993 has 12 divisors (see below), whose sum is σ = 367830000. Its totient is φ = 156779376.

The previous prime is 254766979. The next prime is 254767003. The reversal of 254766993 is 399667452.

It is not a de Polignac number, because 254766993 - 2⁴ = 254766977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (254766493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250743 + ... + 251756.

It is an arithmetic number, because the mean of its divisors is an integer number (30652500).

Almost surely, 2^254766993 is an apocalyptic number.

It is an amenable number.

254766993 is a deficient number, since it is larger than the sum of its proper divisors (113063007).

254766993 is a wasteful number, since it uses less digits than its factorization.

254766993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502528 (or 502515 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 51.

The square root of 254766993 is about 15961.4220231156. The cubic root of 254766993 is about 633.9393648453.

The spelling of 254766993 in words is "two hundred fifty-four million, seven hundred sixty-six thousand, nine hundred ninety-three".