2621252134 has 16 divisors (see below), whose sum is σ = 4251745728. Its totient is φ = 1207284352.

The previous prime is 2621252077. The next prime is 2621252143. The reversal of 2621252134 is 4312521262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818569 + ... + 821764.

It is an arithmetic number, because the mean of its divisors is an integer number (265734108).

Almost surely, 2^2621252134 is an apocalyptic number.

2621252134 is a deficient number, since it is larger than the sum of its proper divisors (1630493594).

2621252134 is a wasteful number, since it uses less digits than its factorization.

2621252134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640399.

The product of its digits is 5760, while the sum is 28.

The square root of 2621252134 is about 51198.1653382228. The cubic root of 2621252134 is about 1378.8052625989.

Adding to 2621252134 its reverse (4312521262), we get a palindrome (6933773396).

The spelling of 2621252134 in words is "two billion, six hundred twenty-one million, two hundred fifty-two thousand, one hundred thirty-four".