250411613 has 2 divisors, whose sum is σ = 250411614. Its totient is φ = 250411612.

The previous prime is 250411589. The next prime is 250411633. The reversal of 250411613 is 316114052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179211769 + 71199844 = 13387^2 + 8438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250411613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250411633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125205806 + 125205807.

It is an arithmetic number, because the mean of its divisors is an integer number (125205807).

Almost surely, 2^250411613 is an apocalyptic number.

It is an amenable number.

250411613 is a deficient number, since it is larger than the sum of its proper divisors (1).

250411613 is an equidigital number, since it uses as much as digits as its factorization.

250411613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 250411613 is about 15824.3992934961. The cubic root of 250411613 is about 630.3060686318.

Adding to 250411613 its reverse (316114052), we get a palindrome (566525665).

The spelling of 250411613 in words is "two hundred fifty million, four hundred eleven thousand, six hundred thirteen".