525640333142 has 8 divisors (see below), whose sum is σ = 806796790536. Its totient is φ = 256708069632.

The previous prime is 525640333133. The next prime is 525640333177. The reversal of 525640333142 is 241333046525.

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 = 525640333096 and 525640333105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3056048363 + ... + 3056048534.

It is an arithmetic number, because the mean of its divisors is an integer number (100849598817).

Almost surely, 2^525640333142 is an apocalyptic number.

525640333142 is a deficient number, since it is larger than the sum of its proper divisors (281156457394).

525640333142 is a wasteful number, since it uses less digits than its factorization.

525640333142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6112096942.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 525640333142 its reverse (241333046525), we get a palindrome (766973379667).

The spelling of 525640333142 in words is "five hundred twenty-five billion, six hundred forty million, three hundred thirty-three thousand, one hundred forty-two".