254519983 has 2 divisors, whose sum is σ = 254519984. Its totient is φ = 254519982.

The previous prime is 254519933. The next prime is 254519987. The reversal of 254519983 is 389915452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254519983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254519987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127259991 + 127259992.

It is an arithmetic number, because the mean of its divisors is an integer number (127259992).

Almost surely, 2^254519983 is an apocalyptic number.

254519983 is a deficient number, since it is larger than the sum of its proper divisors (1).

254519983 is an equidigital number, since it uses as much as digits as its factorization.

254519983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 46.

The square root of 254519983 is about 15953.6824275777. The cubic root of 254519983 is about 633.7344194098.

The spelling of 254519983 in words is "two hundred fifty-four million, five hundred nineteen thousand, nine hundred eighty-three".