2542021013 has 8 divisors (see below), whose sum is σ = 3005345280. Its totient is φ = 2103741360.

The previous prime is 2542021007. The next prime is 2542021043. The reversal of 2542021013 is 3101202452.

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

It is not a de Polignac number, because 2542021013 - 2⁸ = 2542020757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542021003) 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, 6260933 + ... + 6261338.

It is an arithmetic number, because the mean of its divisors is an integer number (375668160).

Almost surely, 2^2542021013 is an apocalyptic number.

It is an amenable number.

2542021013 is a deficient number, since it is larger than the sum of its proper divisors (463324267).

2542021013 is a wasteful number, since it uses less digits than its factorization.

2542021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12522307.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2542021013 is about 50418.4590502328. The cubic root of 2542021013 is about 1364.7707689325.

Adding to 2542021013 its reverse (3101202452), we get a palindrome (5643223465).

The spelling of 2542021013 in words is "two billion, five hundred forty-two million, twenty-one thousand, thirteen".