2520628791 has 16 divisors (see below), whose sum is σ = 3444456960. Its totient is φ = 1638649280.

The previous prime is 2520628783. The next prime is 2520628793. The reversal of 2520628791 is 1978260252.

It is a cyclic number.

It is not a de Polignac number, because 2520628791 - 2³ = 2520628783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520628793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368440 + ... + 375218.

It is an arithmetic number, because the mean of its divisors is an integer number (215278560).

Almost surely, 2^2520628791 is an apocalyptic number.

2520628791 is a deficient number, since it is larger than the sum of its proper divisors (923828169).

2520628791 is a wasteful number, since it uses less digits than its factorization.

2520628791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9846.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 2520628791 is about 50205.8641096834. The cubic root of 2520628791 is about 1360.9315976904.

The spelling of 2520628791 in words is "two billion, five hundred twenty million, six hundred twenty-eight thousand, seven hundred ninety-one".