250001253 has 6 divisors (see below), whose sum is σ = 361112934. Its totient is φ = 166667496.

The previous prime is 250001251. The next prime is 250001261. The reversal of 250001253 is 352100052.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 246552804 + 3448449 = 15702^2 + 1857^2 .

It is not a de Polignac number, because 250001253 - 2¹ = 250001251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250001251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13888950 + ... + 13888967.

It is an arithmetic number, because the mean of its divisors is an integer number (60185489).

Almost surely, 2^250001253 is an apocalyptic number.

It is an amenable number.

250001253 is a deficient number, since it is larger than the sum of its proper divisors (111111681).

250001253 is a wasteful number, since it uses less digits than its factorization.

250001253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27777923 (or 27777920 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 250001253 is about 15811.4279241313. The cubic root of 250001253 is about 629.9615773997.

The spelling of 250001253 in words is "two hundred fifty million, one thousand, two hundred fifty-three".