2521036223 has 4 divisors (see below), whose sum is σ = 2653722360. Its totient is φ = 2388350088.

The previous prime is 2521036201. The next prime is 2521036247. The reversal of 2521036223 is 3226301252.

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

It is a cyclic number.

It is not a de Polignac number, because 2521036223 - 2⁶ = 2521036159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2521036192 and 2521036201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521036423) 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, 66343040 + ... + 66343077.

It is an arithmetic number, because the mean of its divisors is an integer number (663430590).

Almost surely, 2^2521036223 is an apocalyptic number.

2521036223 is a deficient number, since it is larger than the sum of its proper divisors (132686137).

2521036223 is a wasteful number, since it uses less digits than its factorization.

2521036223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132686136.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2521036223 is about 50209.9215593890. The cubic root of 2521036223 is about 1361.0049202957.

Adding to 2521036223 its reverse (3226301252), we get a palindrome (5747337475).

The spelling of 2521036223 in words is "two billion, five hundred twenty-one million, thirty-six thousand, two hundred twenty-three".