2513521701 has 12 divisors (see below), whose sum is σ = 3633084000. Its totient is φ = 1674554280.

The previous prime is 2513521679. The next prime is 2513521709. The reversal of 2513521701 is 1071253152.

It is not a de Polignac number, because 2513521701 - 2¹¹ = 2513519653 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513521709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79665 + ... + 106646.

It is an arithmetic number, because the mean of its divisors is an integer number (302757000).

Almost surely, 2^2513521701 is an apocalyptic number.

It is an amenable number.

2513521701 is a deficient number, since it is larger than the sum of its proper divisors (1119562299).

2513521701 is a wasteful number, since it uses less digits than its factorization.

2513521701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187816 (or 187813 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 2513521701 is about 50135.0346663887. The cubic root of 2513521701 is about 1359.6513128938.

Adding to 2513521701 its reverse (1071253152), we get a palindrome (3584774853).

The spelling of 2513521701 in words is "two billion, five hundred thirteen million, five hundred twenty-one thousand, seven hundred one".