249070973 has 2 divisors, whose sum is σ = 249070974. Its totient is φ = 249070972.

The previous prime is 249070967. The next prime is 249070993. The reversal of 249070973 is 379070942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208455844 + 40615129 = 14438^2 + 6373^2 .

It is a cyclic number.

It is not a de Polignac number, because 249070973 - 2⁶ = 249070909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 249070973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249070993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124535486 + 124535487.

It is an arithmetic number, because the mean of its divisors is an integer number (124535487).

Almost surely, 2^249070973 is an apocalyptic number.

It is an amenable number.

249070973 is a deficient number, since it is larger than the sum of its proper divisors (1).

249070973 is an equidigital number, since it uses as much as digits as its factorization.

249070973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 249070973 is about 15781.9825433942. The cubic root of 249070973 is about 629.1792225632.

The spelling of 249070973 in words is "two hundred forty-nine million, seventy thousand, nine hundred seventy-three".