250755413 has 2 divisors, whose sum is σ = 250755414. Its totient is φ = 250755412.

The previous prime is 250755391. The next prime is 250755419. The reversal of 250755413 is 314557052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193571569 + 57183844 = 13913^2 + 7562^2 .

It is a cyclic number.

It is not a de Polignac number, because 250755413 - 2¹² = 250751317 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 250755413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250755419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125377706 + 125377707.

It is an arithmetic number, because the mean of its divisors is an integer number (125377707).

Almost surely, 2^250755413 is an apocalyptic number.

It is an amenable number.

250755413 is a deficient number, since it is larger than the sum of its proper divisors (1).

250755413 is an equidigital number, since it uses as much as digits as its factorization.

250755413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 250755413 is about 15835.2585390956. The cubic root of 250755413 is about 630.5943940915.

The spelling of 250755413 in words is "two hundred fifty million, seven hundred fifty-five thousand, four hundred thirteen".