697528 has 32 divisors (see below), whose sum is σ = 1486800. Its totient is φ = 304128.

The previous prime is 697523. The next prime is 697553. The reversal of 697528 is 825796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697523) 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, 1800 + ... + 2152.

2⁶⁹⁷⁵²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 697528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743400).

697528 is an abundant number, since it is smaller than the sum of its proper divisors (789272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697528 is a wasteful number, since it uses less digits than its factorization.

697528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 387 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 697528 is about 835.1814174178. The cubic root of 697528 is about 88.6857579132.

It can be divided in two parts, 697 and 528, that added together give a triangular number (1225 = T₄₉).

The spelling of 697528 in words is "six hundred ninety-seven thousand, five hundred twenty-eight".