250513873 has 2 divisors, whose sum is σ = 250513874. Its totient is φ = 250513872.

The previous prime is 250513867. The next prime is 250513877. The reversal of 250513873 is 378315052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242829889 + 7683984 = 15583^2 + 2772^2 .

It is a cyclic number.

It is not a de Polignac number, because 250513873 - 2²⁵ = 216959441 is a prime.

It is not a weakly prime, because it can be changed into another prime (250513877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125256936 + 125256937.

It is an arithmetic number, because the mean of its divisors is an integer number (125256937).

Almost surely, 2^250513873 is an apocalyptic number.

It is an amenable number.

250513873 is a deficient number, since it is larger than the sum of its proper divisors (1).

250513873 is an equidigital number, since it uses as much as digits as its factorization.

250513873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 250513873 is about 15827.6300500106. The cubic root of 250513873 is about 630.3918558230.

The spelling of 250513873 in words is "two hundred fifty million, five hundred thirteen thousand, eight hundred seventy-three".