527975997 has 4 divisors (see below), whose sum is σ = 703968000. Its totient is φ = 351983996.

The previous prime is 527975989. The next prime is 527976023. The reversal of 527975997 is 799579725.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 527975997 - 2³ = 527975989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 527975997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (527975297) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 87995997 + ... + 87996002.

It is an arithmetic number, because the mean of its divisors is an integer number (175992000).

Almost surely, 2^527975997 is an apocalyptic number.

It is an amenable number.

527975997 is a deficient number, since it is larger than the sum of its proper divisors (175992003).

527975997 is a wasteful number, since it uses less digits than its factorization.

527975997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175992002.

The product of its digits is 12502350, while the sum is 60.

The square root of 527975997 is about 22977.7282819690. The cubic root of 527975997 is about 808.2357562262.

The spelling of 527975997 in words is "five hundred twenty-seven million, nine hundred seventy-five thousand, nine hundred ninety-seven".