2505790037 has 4 divisors (see below), whose sum is σ = 2592196620. Its totient is φ = 2419383456.

The previous prime is 2505790009. The next prime is 2505790051. The reversal of 2505790037 is 7300975052.

2505790037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1979271121 + 526518916 = 44489^2 + 22946^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505790037 - 2⁶ = 2505789973 is a prime.

It is a super-2 number, since 2×2505790037² = 12557967419056922738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505790057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43203248 + ... + 43203305.

It is an arithmetic number, because the mean of its divisors is an integer number (648049155).

Almost surely, 2^2505790037 is an apocalyptic number.

It is an amenable number.

2505790037 is a deficient number, since it is larger than the sum of its proper divisors (86406583).

2505790037 is an equidigital number, since it uses as much as digits as its factorization.

2505790037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86406582.

The product of its (nonzero) digits is 66150, while the sum is 38.

The square root of 2505790037 is about 50057.8668842371. The cubic root of 2505790037 is about 1358.2557723471.

The spelling of 2505790037 in words is "two billion, five hundred five million, seven hundred ninety thousand, thirty-seven".