525555142 has 16 divisors (see below), whose sum is σ = 903893760. Its totient is φ = 224502408.

The previous prime is 525555137. The next prime is 525555161. The reversal of 525555142 is 241555525.

It is a junction number, because it is equal to n+sod(n) for n = 525555098 and 525555107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56842 + ... + 65437.

It is an arithmetic number, because the mean of its divisors is an integer number (56493360).

Almost surely, 2^525555142 is an apocalyptic number.

525555142 is a deficient number, since it is larger than the sum of its proper divisors (378338618).

525555142 is a wasteful number, since it uses less digits than its factorization.

525555142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122595.

The product of its digits is 50000, while the sum is 34.

The square root of 525555142 is about 22924.9894656464. The cubic root of 525555142 is about 806.9985663420.

The spelling of 525555142 in words is "five hundred twenty-five million, five hundred fifty-five thousand, one hundred forty-two".