5261412621 has 4 divisors (see below), whose sum is σ = 7015216832. Its totient is φ = 3507608412.

The previous prime is 5261412593. The next prime is 5261412631. The reversal of 5261412621 is 1262141625.

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 not a de Polignac number, because 5261412621 - 2⁵ = 5261412589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5261412631) 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, 876902101 + ... + 876902106.

It is an arithmetic number, because the mean of its divisors is an integer number (1753804208).

Almost surely, 2^5261412621 is an apocalyptic number.

It is an amenable number.

5261412621 is a deficient number, since it is larger than the sum of its proper divisors (1753804211).

5261412621 is a wasteful number, since it uses less digits than its factorization.

5261412621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753804210.

The product of its digits is 5760, while the sum is 30.

The square root of 5261412621 is about 72535.5955445325. The cubic root of 5261412621 is about 1739.2717943042.

The spelling of 5261412621 in words is "five billion, two hundred sixty-one million, four hundred twelve thousand, six hundred twenty-one".