42512454425 has 48 divisors (see below), whose sum is σ = 61349882880. Its totient is φ = 28618712640.

The previous prime is 42512454401. The next prime is 42512454437. The reversal of 42512454425 is 52445421524.

42512454425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-42512454425 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9114644 + ... + 9119306.

It is an arithmetic number, because the mean of its divisors is an integer number (1278122560).

Almost surely, 2^42512454425 is an apocalyptic number.

It is an amenable number.

42512454425 is a deficient number, since it is larger than the sum of its proper divisors (18837428455).

42512454425 is a wasteful number, since it uses less digits than its factorization.

42512454425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622 (or 5617 counting only the distinct ones).

The product of its digits is 256000, while the sum is 38.

Adding to 42512454425 its reverse (52445421524), we get a palindrome (94957875949).

The spelling of 42512454425 in words is "forty-two billion, five hundred twelve million, four hundred fifty-four thousand, four hundred twenty-five".