137503025 has 24 divisors (see below), whose sum is σ = 187782624. Its totient is φ = 99046400.

The previous prime is 137502997. The next prime is 137503087. The reversal of 137503025 is 520305731.

It is not a de Polignac number, because 137503025 - 2²⁰ = 136454449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 137502985 and 137503003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27089 + ... + 31761.

It is an arithmetic number, because the mean of its divisors is an integer number (7824276).

Almost surely, 2^137503025 is an apocalyptic number.

It is an amenable number.

137503025 is a deficient number, since it is larger than the sum of its proper divisors (50279599).

137503025 is a wasteful number, since it uses less digits than its factorization.

137503025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4801 (or 4796 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 137503025 is about 11726.1683852826. The cubic root of 137503025 is about 516.1438427275.

Adding to 137503025 its reverse (520305731), we get a palindrome (657808756).

The spelling of 137503025 in words is "one hundred thirty-seven million, five hundred three thousand, twenty-five".