2520621334 has 16 divisors (see below), whose sum is σ = 4713889536. Its totient is φ = 982060200.

The previous prime is 2520621319. The next prime is 2520621349. The reversal of 2520621334 is 4331260252.

It is an interprime number because it is at equal distance from previous prime (2520621319) and next prime (2520621349).

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, 8183682 + ... + 8183989.

It is an arithmetic number, because the mean of its divisors is an integer number (294618096).

Almost surely, 2^2520621334 is an apocalyptic number.

2520621334 is a deficient number, since it is larger than the sum of its proper divisors (2193268202).

2520621334 is a wasteful number, since it uses less digits than its factorization.

2520621334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16367691.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2520621334 is about 50205.7898453953. The cubic root of 2520621334 is about 1360.9302556341.

Adding to 2520621334 its reverse (4331260252), we get a palindrome (6851881586).

The spelling of 2520621334 in words is "two billion, five hundred twenty million, six hundred twenty-one thousand, three hundred thirty-four".