2500653537 has 6 divisors (see below), whose sum is σ = 3612055122. Its totient is φ = 1667102352.

The previous prime is 2500653503. The next prime is 2500653577. The reversal of 2500653537 is 7353560052.

It can be written as a sum of positive squares in only one way, i.e., 2500100001 + 553536 = 50001^2 + 744^2 .

It is not a de Polignac number, because 2500653537 - 2²⁴ = 2483876321 is a prime.

It is a super-2 number, since 2×2500653537² = 12506536224221220738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2500653577) 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, 138925188 + ... + 138925205.

It is an arithmetic number, because the mean of its divisors is an integer number (602009187).

Almost surely, 2^2500653537 is an apocalyptic number.

It is an amenable number.

2500653537 is a deficient number, since it is larger than the sum of its proper divisors (1111401585).

2500653537 is a wasteful number, since it uses less digits than its factorization.

2500653537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277850399 (or 277850396 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 36.

The square root of 2500653537 is about 50006.5349429452. The cubic root of 2500653537 is about 1357.3270628166.

The spelling of 2500653537 in words is "two billion, five hundred million, six hundred fifty-three thousand, five hundred thirty-seven".