2526990625 has 12 divisors (see below), whose sum is σ = 3158540028. Its totient is φ = 2021590000.

The previous prime is 2526990601. The next prime is 2526990629. The reversal of 2526990625 is 5260996252.

It can be written as a sum of positive squares in 6 ways, for example, as 1896428304 + 630562321 = 43548^2 + 25111^2 .

It is not a de Polignac number, because 2526990625 - 2⁵ = 2526990593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2526990629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 401194 + ... + 407443.

It is an arithmetic number, because the mean of its divisors is an integer number (263211669).

Almost surely, 2^2526990625 is an apocalyptic number.

2526990625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2526990625 is a deficient number, since it is larger than the sum of its proper divisors (631549403).

2526990625 is an frugal number, since it uses more digits than its factorization.

2526990625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808662 (or 808642 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 2526990625 is about 50269.1816623267. The cubic root of 2526990625 is about 1362.0755909567.

The spelling of 2526990625 in words is "two billion, five hundred twenty-six million, nine hundred ninety thousand, six hundred twenty-five".