2520602545 has 16 divisors (see below), whose sum is σ = 3158312832. Its totient is φ = 1927537920.

The previous prime is 2520602503. The next prime is 2520602569. The reversal of 2520602545 is 5452060252.

It is a happy number.

It is not a de Polignac number, because 2520602545 - 2⁷ = 2520602417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191785 + ... + 204505.

It is an arithmetic number, because the mean of its divisors is an integer number (197394552).

Almost surely, 2^2520602545 is an apocalyptic number.

It is an amenable number.

2520602545 is a deficient number, since it is larger than the sum of its proper divisors (637710287).

2520602545 is a wasteful number, since it uses less digits than its factorization.

2520602545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14472.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2520602545 is about 50205.6027251939. The cubic root of 2520602545 is about 1360.9268741158.

Adding to 2520602545 its reverse (5452060252), we get a palindrome (7972662797).

The spelling of 2520602545 in words is "two billion, five hundred twenty million, six hundred two thousand, five hundred forty-five".