525040042 has 8 divisors (see below), whose sum is σ = 787936032. Its totient is φ = 262394700.

The previous prime is 525040039. The next prime is 525040051. The reversal of 525040042 is 240040525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 525039995 and 525040022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57334 + ... + 65857.

It is an arithmetic number, because the mean of its divisors is an integer number (98492004).

Almost surely, 2^525040042 is an apocalyptic number.

525040042 is a deficient number, since it is larger than the sum of its proper divisors (262895990).

525040042 is a wasteful number, since it uses less digits than its factorization.

525040042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125324.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 525040042 is about 22913.7522461949. The cubic root of 525040042 is about 806.7348319861.

Adding to 525040042 its reverse (240040525), we get a palindrome (765080567).

The spelling of 525040042 in words is "five hundred twenty-five million, forty thousand, forty-two".