2502204621 has 16 divisors (see below), whose sum is σ = 3905881728. Its totient is φ = 1394956800.

The previous prime is 2502204599. The next prime is 2502204637. The reversal of 2502204621 is 1264022052.

It is a happy number.

It is not a de Polignac number, because 2502204621 - 2¹⁰ = 2502203597 is a prime.

It is a super-2 number, since 2×2502204621² = 12522055930707507282, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2502204591 and 2502204600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502204671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1452220 + ... + 1453941.

It is an arithmetic number, because the mean of its divisors is an integer number (244117608).

Almost surely, 2^2502204621 is an apocalyptic number.

2502204621 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2502204621 is a deficient number, since it is larger than the sum of its proper divisors (1403677107).

2502204621 is a wasteful number, since it uses less digits than its factorization.

2502204621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906212.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2502204621 is about 50022.0413517881. The cubic root of 2502204621 is about 1357.6076418889.

Adding to 2502204621 its reverse (1264022052), we get a palindrome (3766226673).

The spelling of 2502204621 in words is "two billion, five hundred two million, two hundred four thousand, six hundred twenty-one".