2523983621 has 2 divisors, whose sum is σ = 2523983622. Its totient is φ = 2523983620.

The previous prime is 2523983551. The next prime is 2523983629. The reversal of 2523983621 is 1263893252.

2523983621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2449161121 + 74822500 = 49489^2 + 8650^2 .

It is a cyclic number.

It is not a de Polignac number, because 2523983621 - 2¹⁰ = 2523982597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2523983629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261991810 + 1261991811.

It is an arithmetic number, because the mean of its divisors is an integer number (1261991811).

Almost surely, 2^2523983621 is an apocalyptic number.

It is an amenable number.

2523983621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523983621 is an equidigital number, since it uses as much as digits as its factorization.

2523983621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 2523983621 is about 50239.2637386338. The cubic root of 2523983621 is about 1361.5351071659.

The spelling of 2523983621 in words is "two billion, five hundred twenty-three million, nine hundred eighty-three thousand, six hundred twenty-one".