525730 has 16 divisors (see below), whose sum is σ = 996480. Its totient is φ = 199152.

The previous prime is 525727. The next prime is 525731. The reversal of 525730 is 37525.

It is a nialpdrome in base 14.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (525731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194 + ... + 1573.

It is an arithmetic number, because the mean of its divisors is an integer number (62280).

2⁵²⁵⁷³⁰ is an apocalyptic number.

525730 is a deficient number, since it is larger than the sum of its proper divisors (470750).

525730 is a wasteful number, since it uses less digits than its factorization.

525730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 525730 is about 725.0724101771. The cubic root of 525730 is about 80.7088055530.

It can be divided in two parts, 525 and 730, that multiplied together give a triangular number (383250 = T₈₇₅).

The spelling of 525730 in words is "five hundred twenty-five thousand, seven hundred thirty".