525172142 has 8 divisors (see below), whose sum is σ = 859372632. Its totient is φ = 238714600.

The previous prime is 525172097. The next prime is 525172159. The reversal of 525172142 is 241271525.

It is a happy number.

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

It is a congruent number.

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, 11935709 + ... + 11935752.

It is an arithmetic number, because the mean of its divisors is an integer number (107421579).

Almost surely, 2^525172142 is an apocalyptic number.

525172142 is a deficient number, since it is larger than the sum of its proper divisors (334200490).

525172142 is a wasteful number, since it uses less digits than its factorization.

525172142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23871474.

The product of its digits is 5600, while the sum is 29.

The square root of 525172142 is about 22916.6346133109. The cubic root of 525172142 is about 806.8024844356.

The spelling of 525172142 in words is "five hundred twenty-five million, one hundred seventy-two thousand, one hundred forty-two".