2521016013 has 8 divisors (see below), whose sum is σ = 3361612000. Its totient is φ = 1680548688.

The previous prime is 2521016009. The next prime is 2521016051. The reversal of 2521016013 is 3106101252.

2521016013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2521016013 - 2² = 2521016009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521016213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31638 + ... + 77736.

It is an arithmetic number, because the mean of its divisors is an integer number (420201500).

Almost surely, 2^2521016013 is an apocalyptic number.

It is an amenable number.

2521016013 is a deficient number, since it is larger than the sum of its proper divisors (840595987).

2521016013 is a wasteful number, since it uses less digits than its factorization.

2521016013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64331.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2521016013 is about 50209.7203039411. The cubic root of 2521016013 is about 1361.0012834336.

Adding to 2521016013 its reverse (3106101252), we get a palindrome (5627117265).

The spelling of 2521016013 in words is "two billion, five hundred twenty-one million, sixteen thousand, thirteen".