525719 has 2 divisors, whose sum is σ = 525720. Its totient is φ = 525718.

The previous prime is 525713. The next prime is 525727. The reversal of 525719 is 917525.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525719 is a prime.

It is a super-2 number, since 2×525719² = 552760933922, which contains 22 as substring.

It is equal to p₄₃₄₉₉ and since 525719 and 43499 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 525691 and 525700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262859 + 262860.

It is an arithmetic number, because the mean of its divisors is an integer number (262860).

2⁵²⁵⁷¹⁹ is an apocalyptic number.

525719 is a deficient number, since it is larger than the sum of its proper divisors (1).

525719 is an equidigital number, since it uses as much as digits as its factorization.

525719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3150, while the sum is 29.

The square root of 525719 is about 725.0648246881. The cubic root of 525719 is about 80.7082426512.

The spelling of 525719 in words is "five hundred twenty-five thousand, seven hundred nineteen".