250513425 has 24 divisors (see below), whose sum is σ = 460203680. Its totient is φ = 133606800.

The previous prime is 250513391. The next prime is 250513433. The reversal of 250513425 is 524315052.

It is a happy number.

250513425 is a `hidden beast` number, since 2 + 505 + 134 + 25 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-250513425 is a prime.

It is a super-2 number, since 2×250513425² = 125513952210461250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 16.

It is a zygodrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184891 + ... + 186240.

Almost surely, 2^250513425 is an apocalyptic number.

250513425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250513425 is a deficient number, since it is larger than the sum of its proper divisors (209690255).

250513425 is a wasteful number, since it uses less digits than its factorization.

250513425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371150 (or 371139 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 250513425 is about 15827.6158975381. The cubic root of 250513425 is about 630.3914800411.

Adding to 250513425 its reverse (524315052), we get a palindrome (774828477).

The spelling of 250513425 in words is "two hundred fifty million, five hundred thirteen thousand, four hundred twenty-five".