2520647733 has 32 divisors (see below), whose sum is σ = 3512984832. Its totient is φ = 1607304960.

The previous prime is 2520647729. The next prime is 2520647747. The reversal of 2520647733 is 3377460252.

It is not a de Polignac number, because 2520647733 - 2² = 2520647729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2520647691 and 2520647700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520647713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15093616 + ... + 15093782.

It is an arithmetic number, because the mean of its divisors is an integer number (109780776).

Almost surely, 2^2520647733 is an apocalyptic number.

It is an amenable number.

2520647733 is a deficient number, since it is larger than the sum of its proper divisors (992337099).

2520647733 is an frugal number, since it uses more digits than its factorization.

2520647733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 39.

The square root of 2520647733 is about 50206.0527526313. The cubic root of 2520647733 is about 1360.9350067210.

The spelling of 2520647733 in words is "two billion, five hundred twenty million, six hundred forty-seven thousand, seven hundred thirty-three".