2530232690 has 8 divisors (see below), whose sum is σ = 4554418860. Its totient is φ = 1012093072.

The previous prime is 2530232669. The next prime is 2530232693. The reversal of 2530232690 is 962320352.

It can be written as a sum of positive squares in 2 ways, for example, as 2491307569 + 38925121 = 49913^2 + 6239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2530232690² = 12804154931089272200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2530232693) 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, 126511625 + ... + 126511644.

Almost surely, 2^2530232690 is an apocalyptic number.

2530232690 is a deficient number, since it is larger than the sum of its proper divisors (2024186170).

2530232690 is a wasteful number, since it uses less digits than its factorization.

2530232690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253023276.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 2530232690 is about 50301.4183696643. The cubic root of 2530232690 is about 1362.6578448559.

The spelling of 2530232690 in words is "two billion, five hundred thirty million, two hundred thirty-two thousand, six hundred ninety".