2621002541 has 2 divisors, whose sum is σ = 2621002542. Its totient is φ = 2621002540.

The previous prime is 2621002511. The next prime is 2621002561. The reversal of 2621002541 is 1452001262.

It is a happy number.

2621002541 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., 2592337225 + 28665316 = 50915^2 + 5354^2 .

It is a cyclic number.

It is not a de Polignac number, because 2621002541 - 2³⁰ = 1547260717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2621002511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310501270 + 1310501271.

It is an arithmetic number, because the mean of its divisors is an integer number (1310501271).

Almost surely, 2^2621002541 is an apocalyptic number.

It is an amenable number.

2621002541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2621002541 is an equidigital number, since it uses as much as digits as its factorization.

2621002541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2621002541 is about 51195.7277612107. The cubic root of 2621002541 is about 1378.7614983916.

The spelling of 2621002541 in words is "two billion, six hundred twenty-one million, two thousand, five hundred forty-one".