2523454642 has 4 divisors (see below), whose sum is σ = 3785181966. Its totient is φ = 1261727320.

The previous prime is 2523454607. The next prime is 2523454651. The reversal of 2523454642 is 2464543252.

2523454642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2473172361 + 50282281 = 49731^2 + 7091^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630863659 + ... + 630863662.

Almost surely, 2^2523454642 is an apocalyptic number.

2523454642 is a deficient number, since it is larger than the sum of its proper divisors (1261727324).

2523454642 is a wasteful number, since it uses less digits than its factorization.

2523454642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261727323.

The product of its digits is 230400, while the sum is 37.

The square root of 2523454642 is about 50233.9988653103. The cubic root of 2523454642 is about 1361.4399832258.

Adding to 2523454642 its reverse (2464543252), we get a palindrome (4987997894).

The spelling of 2523454642 in words is "two billion, five hundred twenty-three million, four hundred fifty-four thousand, six hundred forty-two".