250964621 has 2 divisors, whose sum is σ = 250964622. Its totient is φ = 250964620.

The previous prime is 250964611. The next prime is 250964629. The reversal of 250964621 is 126469052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227587396 + 23377225 = 15086^2 + 4835^2 .

It is a cyclic number.

It is not a de Polignac number, because 250964621 - 2²⁶ = 183855757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250964629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125482310 + 125482311.

It is an arithmetic number, because the mean of its divisors is an integer number (125482311).

Almost surely, 2^250964621 is an apocalyptic number.

It is an amenable number.

250964621 is a deficient number, since it is larger than the sum of its proper divisors (1).

250964621 is an equidigital number, since it uses as much as digits as its factorization.

250964621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 250964621 is about 15841.8629270676. The cubic root of 250964621 is about 630.7697159566.

The spelling of 250964621 in words is "two hundred fifty million, nine hundred sixty-four thousand, six hundred twenty-one".