249375029 has 2 divisors, whose sum is σ = 249375030. Its totient is φ = 249375028.

The previous prime is 249374987. The next prime is 249375043. The reversal of 249375029 is 920573942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174292804 + 75082225 = 13202^2 + 8665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249375029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249375629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124687514 + 124687515.

It is an arithmetic number, because the mean of its divisors is an integer number (124687515).

Almost surely, 2^249375029 is an apocalyptic number.

It is an amenable number.

249375029 is a deficient number, since it is larger than the sum of its proper divisors (1).

249375029 is an equidigital number, since it uses as much as digits as its factorization.

249375029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 249375029 is about 15791.6126155627. The cubic root of 249375029 is about 629.4351441613.

The spelling of 249375029 in words is "two hundred forty-nine million, three hundred seventy-five thousand, twenty-nine".