2500137 has 6 divisors (see below), whose sum is σ = 3611322. Its totient is φ = 1666752.

The previous prime is 2500117. The next prime is 2500151. The reversal of 2500137 is 7310052.

It can be written as a sum of positive squares in only one way, i.e., 2499561 + 576 = 1581^2 + 24^2 .

It is not a de Polignac number, because 2500137 - 2⁷ = 2500009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2500117) 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, 138888 + ... + 138905.

It is an arithmetic number, because the mean of its divisors is an integer number (601887).

2^2500137 is an apocalyptic number.

It is an amenable number.

2500137 is a deficient number, since it is larger than the sum of its proper divisors (1111185).

2500137 is a wasteful number, since it uses less digits than its factorization.

2500137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277799 (or 277796 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 2500137 is about 1581.1821526946. The cubic root of 2500137 is about 135.7233599526.

Adding to 2500137 its reverse (7310052), we get a palindrome (9810189).

The spelling of 2500137 in words is "two million, five hundred thousand, one hundred thirty-seven".