2621341525 has 24 divisors (see below), whose sum is σ = 3549933504. Its totient is φ = 1904294400.

The previous prime is 2621341511. The next prime is 2621341529. The reversal of 2621341525 is 5251431262.

It is not a de Polignac number, because 2621341525 - 2⁷ = 2621341397 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 (2621341529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265477 + ... + 275173.

It is an arithmetic number, because the mean of its divisors is an integer number (147913896).

Almost surely, 2^2621341525 is an apocalyptic number.

2621341525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2621341525 is a deficient number, since it is larger than the sum of its proper divisors (928591979).

2621341525 is a wasteful number, since it uses less digits than its factorization.

2621341525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10701 (or 10696 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 2621341525 is about 51199.0383210466. The cubic root of 2621341525 is about 1378.8209359455.

Adding to 2621341525 its reverse (5251431262), we get a palindrome (7872772787).

The spelling of 2621341525 in words is "two billion, six hundred twenty-one million, three hundred forty-one thousand, five hundred twenty-five".