250401769 has 2 divisors, whose sum is σ = 250401770. Its totient is φ = 250401768.

The previous prime is 250401691. The next prime is 250401799. The reversal of 250401769 is 967104052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181926144 + 68475625 = 13488^2 + 8275^2 .

It is a cyclic number.

It is not a de Polignac number, because 250401769 - 2¹⁷ = 250270697 is a prime.

It is a super-2 number, since 2×250401769² = 125402091836658722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (250401799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125200884 + 125200885.

It is an arithmetic number, because the mean of its divisors is an integer number (125200885).

Almost surely, 2^250401769 is an apocalyptic number.

It is an amenable number.

250401769 is a deficient number, since it is larger than the sum of its proper divisors (1).

250401769 is an equidigital number, since it uses as much as digits as its factorization.

250401769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 250401769 is about 15824.0882517762. The cubic root of 250401769 is about 630.2978091450.

The spelling of 250401769 in words is "two hundred fifty million, four hundred one thousand, seven hundred sixty-nine".