2521890233 has 4 divisors (see below), whose sum is σ = 2575547520. Its totient is φ = 2468232948.

The previous prime is 2521890221. The next prime is 2521890247. The reversal of 2521890233 is 3320981252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2521890233 - 2⁸ = 2521889977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2521890193 and 2521890202.

It is not an unprimeable number, because it can be changed into a prime (2521890263) 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, 26828573 + ... + 26828666.

It is an arithmetic number, because the mean of its divisors is an integer number (643886880).

Almost surely, 2^2521890233 is an apocalyptic number.

It is an amenable number.

2521890233 is a deficient number, since it is larger than the sum of its proper divisors (53657287).

2521890233 is an equidigital number, since it uses as much as digits as its factorization.

2521890233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53657286.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2521890233 is about 50218.4252341708. The cubic root of 2521890233 is about 1361.1585847003.

The spelling of 2521890233 in words is "two billion, five hundred twenty-one million, eight hundred ninety thousand, two hundred thirty-three".