2621356325 has 24 divisors (see below), whose sum is σ = 3801238848. Its totient is φ = 1755694080.

The previous prime is 2621356319. The next prime is 2621356349. The reversal of 2621356325 is 5236531262.

It is not a de Polignac number, because 2621356325 - 2¹⁸ = 2621094181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166652 + ... + 181701.

It is an arithmetic number, because the mean of its divisors is an integer number (158384952).

Almost surely, 2^2621356325 is an apocalyptic number.

2621356325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2621356325 is a deficient number, since it is larger than the sum of its proper divisors (1179882523).

2621356325 is a wasteful number, since it uses less digits than its factorization.

2621356325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348413 (or 348408 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 2621356325 is about 51199.1828548074. The cubic root of 2621356325 is about 1378.8235308651.

Adding to 2621356325 its reverse (5236531262), we get a palindrome (7857887587).

The spelling of 2621356325 in words is "two billion, six hundred twenty-one million, three hundred fifty-six thousand, three hundred twenty-five".