250025140 has 12 divisors (see below), whose sum is σ = 525052836. Its totient is φ = 100010048.

The previous prime is 250025117. The next prime is 250025143. The reversal of 250025140 is 41520052.

It can be written as a sum of positive squares in 2 ways, for example, as 38787984 + 211237156 = 6228^2 + 14534^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250025143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6250609 + ... + 6250648.

It is an arithmetic number, because the mean of its divisors is an integer number (43754403).

Almost surely, 2^250025140 is an apocalyptic number.

250025140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250025140 is an abundant number, since it is smaller than the sum of its proper divisors (275027696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

250025140 is a wasteful number, since it uses less digits than its factorization.

250025140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12501266 (or 12501264 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 250025140 is about 15812.1832774605. The cubic root of 250025140 is about 629.9816405165.

Adding to 250025140 its reverse (41520052), we get a palindrome (291545192).

The spelling of 250025140 in words is "two hundred fifty million, twenty-five thousand, one hundred forty".