250262261 has 2 divisors, whose sum is σ = 250262262. Its totient is φ = 250262260.

The previous prime is 250262249. The next prime is 250262297. The reversal of 250262261 is 162262052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177688900 + 72573361 = 13330^2 + 8519^2 .

It is a cyclic number.

It is not a de Polignac number, because 250262261 - 2⁶ = 250262197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 250262261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250268261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125131130 + 125131131.

It is an arithmetic number, because the mean of its divisors is an integer number (125131131).

Almost surely, 2^250262261 is an apocalyptic number.

It is an amenable number.

250262261 is a deficient number, since it is larger than the sum of its proper divisors (1).

250262261 is an equidigital number, since it uses as much as digits as its factorization.

250262261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 250262261 is about 15819.6795479555. The cubic root of 250262261 is about 630.1807333989.

The spelling of 250262261 in words is "two hundred fifty million, two hundred sixty-two thousand, two hundred sixty-one".