254523983 has 12 divisors (see below), whose sum is σ = 313496352. Its totient is φ = 205329600.

The previous prime is 254523979. The next prime is 254523989. The reversal of 254523983 is 389325452.

It is not a de Polignac number, because 254523983 - 2² = 254523979 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 254523983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254523989) 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, 151943 + ... + 153608.

It is an arithmetic number, because the mean of its divisors is an integer number (26124696).

Almost surely, 2^254523983 is an apocalyptic number.

254523983 is a deficient number, since it is larger than the sum of its proper divisors (58972369).

254523983 is a wasteful number, since it uses less digits than its factorization.

254523983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305582 (or 305575 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 254523983 is about 15953.8077899917. The cubic root of 254523983 is about 633.7377392859.

The spelling of 254523983 in words is "two hundred fifty-four million, five hundred twenty-three thousand, nine hundred eighty-three".