2501251690 has 16 divisors (see below), whose sum is σ = 5145432192. Its totient is φ = 857571984.

The previous prime is 2501251663. The next prime is 2501251703. The reversal of 2501251690 is 961521052.

It is a super-2 number, since 2×2501251690² = 12512520033455712200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 17866014 + ... + 17866153.

It is an arithmetic number, because the mean of its divisors is an integer number (321589512).

Almost surely, 2^2501251690 is an apocalyptic number.

2501251690 is an abundant number, since it is smaller than the sum of its proper divisors (2644180502).

2501251690 is a wasteful number, since it uses less digits than its factorization.

2501251690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35732181.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 2501251690 is about 50012.5153336642. The cubic root of 2501251690 is about 1357.4352777981.

The spelling of 2501251690 in words is "two billion, five hundred one million, two hundred fifty-one thousand, six hundred ninety".