249584051 has 2 divisors, whose sum is σ = 249584052. Its totient is φ = 249584050.

The previous prime is 249584039. The next prime is 249584059. The reversal of 249584051 is 150485942.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249584051 - 2¹⁰ = 249583027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 249583996 and 249584014.

It is not a weakly prime, because it can be changed into another prime (249584059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124792025 + 124792026.

It is an arithmetic number, because the mean of its divisors is an integer number (124792026).

Almost surely, 2^249584051 is an apocalyptic number.

249584051 is a deficient number, since it is larger than the sum of its proper divisors (1).

249584051 is an equidigital number, since it uses as much as digits as its factorization.

249584051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 249584051 is about 15798.2293628115. The cubic root of 249584051 is about 629.6109557379.

The spelling of 249584051 in words is "two hundred forty-nine million, five hundred eighty-four thousand, fifty-one".