250025121 has 12 divisors (see below), whose sum is σ = 361750272. Its totient is φ = 166405176.

The previous prime is 250025117. The next prime is 250025143. The reversal of 250025121 is 121520052.

250025121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 250025121 - 2² = 250025117 is a prime.

It is a super-2 number, since 2×250025121² = 125025122262129282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 250025094 and 250025103.

It is not an unprimeable number, because it can be changed into a prime (250025821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17421 + ... + 28346.

It is an arithmetic number, because the mean of its divisors is an integer number (30145856).

Almost surely, 2^250025121 is an apocalyptic number.

It is an amenable number.

250025121 is a deficient number, since it is larger than the sum of its proper divisors (111725151).

250025121 is a wasteful number, since it uses less digits than its factorization.

250025121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46380 (or 46377 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 250025121 is about 15812.1826766579. The cubic root of 250025121 is about 629.9816245585.

Adding to 250025121 its reverse (121520052), we get a palindrome (371545173).

The spelling of 250025121 in words is "two hundred fifty million, twenty-five thousand, one hundred twenty-one".