542614621525 has 12 divisors (see below), whose sum is σ = 678140104192. Its totient is φ = 430673649840.

The previous prime is 542614621513. The next prime is 542614621543. The reversal of 542614621525 is 525126416245.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-542614621525 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85447947 + ... + 85454296.

Almost surely, 2^542614621525 is an apocalyptic number.

It is an amenable number.

542614621525 is a deficient number, since it is larger than the sum of its proper divisors (135525482667).

542614621525 is a wasteful number, since it uses less digits than its factorization.

542614621525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170902380 (or 170902375 counting only the distinct ones).

The product of its digits is 576000, while the sum is 43.

The spelling of 542614621525 in words is "five hundred forty-two billion, six hundred fourteen million, six hundred twenty-one thousand, five hundred twenty-five".