712542542 has 4 divisors (see below), whose sum is σ = 1068813816. Its totient is φ = 356271270.

The previous prime is 712542511. The next prime is 712542563. The reversal of 712542542 is 245245217.

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

It is a junction number, because it is equal to n+sod(n) for n = 712542499 and 712542508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178135634 + ... + 178135637.

It is an arithmetic number, because the mean of its divisors is an integer number (267203454).

Almost surely, 2^712542542 is an apocalyptic number.

712542542 is a deficient number, since it is larger than the sum of its proper divisors (356271274).

712542542 is a wasteful number, since it uses less digits than its factorization.

712542542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356271273.

The product of its digits is 22400, while the sum is 32.

The square root of 712542542 is about 26693.4925028554. The cubic root of 712542542 is about 893.1757697470.

Adding to 712542542 its reverse (245245217), we get a palindrome (957787759).

The spelling of 712542542 in words is "seven hundred twelve million, five hundred forty-two thousand, five hundred forty-two".