2521673242 has 16 divisors (see below), whose sum is σ = 4127306400. Its totient is φ = 1145956240.

The previous prime is 2521673239. The next prime is 2521673243. The reversal of 2521673242 is 2423761252.

2521673242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2521673198 and 2521673207.

It is not an unprimeable number, because it can be changed into a prime (2521673243) 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, 114609 + ... + 134827.

It is an arithmetic number, because the mean of its divisors is an integer number (257956650).

Almost surely, 2^2521673242 is an apocalyptic number.

2521673242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2521673242 is a deficient number, since it is larger than the sum of its proper divisors (1605633158).

2521673242 is a wasteful number, since it uses less digits than its factorization.

2521673242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25901.

The product of its digits is 40320, while the sum is 34.

The square root of 2521673242 is about 50216.2647157273. The cubic root of 2521673242 is about 1361.1195441915.

The spelling of 2521673242 in words is "two billion, five hundred twenty-one million, six hundred seventy-three thousand, two hundred forty-two".