250545461 has 2 divisors, whose sum is σ = 250545462. Its totient is φ = 250545460.

The previous prime is 250545433. The next prime is 250545479. The reversal of 250545461 is 164545052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147136900 + 103408561 = 12130^2 + 10169^2 .

It is a cyclic number.

It is not a de Polignac number, because 250545461 - 2⁶ = 250545397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250545401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125272730 + 125272731.

It is an arithmetic number, because the mean of its divisors is an integer number (125272731).

Almost surely, 2^250545461 is an apocalyptic number.

It is an amenable number.

250545461 is a deficient number, since it is larger than the sum of its proper divisors (1).

250545461 is an equidigital number, since it uses as much as digits as its factorization.

250545461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 250545461 is about 15828.6278937879. The cubic root of 250545461 is about 630.4183506711.

The spelling of 250545461 in words is "two hundred fifty million, five hundred forty-five thousand, four hundred sixty-one".