525977 has 12 divisors (see below), whose sum is σ = 585216. Its totient is φ = 471960.

The previous prime is 525961. The next prime is 525979. The reversal of 525977 is 779525.

It is not a de Polignac number, because 525977 - 2⁴ = 525961 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11168 + ... + 11214.

It is an arithmetic number, because the mean of its divisors is an integer number (48768).

2⁵²⁵⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

525977 is a deficient number, since it is larger than the sum of its proper divisors (59239).

525977 is a wasteful number, since it uses less digits than its factorization.

525977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 97 counting only the distinct ones).

The product of its digits is 22050, while the sum is 35.

The square root of 525977 is about 725.2427179917. The cubic root of 525977 is about 80.7214431894.

The spelling of 525977 in words is "five hundred twenty-five thousand, nine hundred seventy-seven".