525961 has 2 divisors, whose sum is σ = 525962. Its totient is φ = 525960.

The previous prime is 525953. The next prime is 525979. The reversal of 525961 is 169525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447561 + 78400 = 669^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 525961 - 2³ = 525953 is a prime.

It is not a weakly prime, because it can be changed into another prime (525361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262980 + 262981.

It is an arithmetic number, because the mean of its divisors is an integer number (262981).

2⁵²⁵⁹⁶¹ is an apocalyptic number.

It is an amenable number.

525961 is a deficient number, since it is larger than the sum of its proper divisors (1).

525961 is an equidigital number, since it uses as much as digits as its factorization.

525961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 28.

The square root of 525961 is about 725.2316871180. The cubic root of 525961 is about 80.7206246770.

The spelling of 525961 in words is "five hundred twenty-five thousand, nine hundred sixty-one".