249585053 has 2 divisors, whose sum is σ = 249585054. Its totient is φ = 249585052.

The previous prime is 249585023. The next prime is 249585101. The reversal of 249585053 is 350585942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237067609 + 12517444 = 15397^2 + 3538^2 .

It is a cyclic number.

It is not a de Polignac number, because 249585053 - 2⁶ = 249584989 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 249585053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249585023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124792526 + 124792527.

It is an arithmetic number, because the mean of its divisors is an integer number (124792527).

Almost surely, 2^249585053 is an apocalyptic number.

It is an amenable number.

249585053 is a deficient number, since it is larger than the sum of its proper divisors (1).

249585053 is an equidigital number, since it uses as much as digits as its factorization.

249585053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 41.

The square root of 249585053 is about 15798.2610751943. The cubic root of 249585053 is about 629.6117982989.

The spelling of 249585053 in words is "two hundred forty-nine million, five hundred eighty-five thousand, fifty-three".