542251650525 has 24 divisors (see below), whose sum is σ = 965486017440. Its totient is φ = 266954658240.

The previous prime is 542251650503. The next prime is 542251650541. The reversal of 542251650525 is 525056152245.

It is a happy number.

It is not a de Polignac number, because 542251650525 - 2⁶ = 542251650461 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 278076795 + ... + 278078744.

It is an arithmetic number, because the mean of its divisors is an integer number (40228584060).

Almost surely, 2^542251650525 is an apocalyptic number.

It is an amenable number.

542251650525 is a deficient number, since it is larger than the sum of its proper divisors (423234366915).

542251650525 is a wasteful number, since it uses less digits than its factorization.

542251650525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556155565 (or 556155560 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 542251650525 in words is "five hundred forty-two billion, two hundred fifty-one million, six hundred fifty thousand, five hundred twenty-five".