2521030342 has 16 divisors (see below), whose sum is σ = 3792402432. Its totient is φ = 1256902920.

The previous prime is 2521030331. The next prime is 2521030361. The reversal of 2521030342 is 2430301252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608043 + ... + 1609609.

It is an arithmetic number, because the mean of its divisors is an integer number (237025152).

Almost surely, 2^2521030342 is an apocalyptic number.

2521030342 is a deficient number, since it is larger than the sum of its proper divisors (1271372090).

2521030342 is a wasteful number, since it uses less digits than its factorization.

2521030342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2521030342 is about 50209.8629952323. The cubic root of 2521030342 is about 1361.0038619906.

Adding to 2521030342 its reverse (2430301252), we get a palindrome (4951331594).

The spelling of 2521030342 in words is "two billion, five hundred twenty-one million, thirty thousand, three hundred forty-two".