2621315125 has 32 divisors (see below), whose sum is σ = 3843350784. Its totient is φ = 1759752000.

The previous prime is 2621315089. The next prime is 2621315149. The reversal of 2621315125 is 5215131262.

It is not a de Polignac number, because 2621315125 - 2²¹ = 2619217973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2621315093 and 2621315102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55449 + ... + 91198.

It is an arithmetic number, because the mean of its divisors is an integer number (120104712).

Almost surely, 2^2621315125 is an apocalyptic number.

2621315125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2621315125 is a deficient number, since it is larger than the sum of its proper divisors (1222035659).

2621315125 is a wasteful number, since it uses less digits than its factorization.

2621315125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146686 (or 146676 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 2621315125 is about 51198.7805030550. The cubic root of 2621315125 is about 1378.8163071458.

Adding to 2621315125 its reverse (5215131262), we get a palindrome (7836446387).

The spelling of 2621315125 in words is "two billion, six hundred twenty-one million, three hundred fifteen thousand, one hundred twenty-five".