525461 has 2 divisors, whose sum is σ = 525462. Its totient is φ = 525460.

The previous prime is 525457. The next prime is 525467. The reversal of 525461 is 164525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 483025 + 42436 = 695^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 525461 - 2² = 525457 is a prime.

It is a super-2 number, since 2×525461² = 552218525042, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 525461.

It is not a weakly prime, because it can be changed into another prime (525467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262730 + 262731.

It is an arithmetic number, because the mean of its divisors is an integer number (262731).

2⁵²⁵⁴⁶¹ is an apocalyptic number.

It is an amenable number.

525461 is a deficient number, since it is larger than the sum of its proper divisors (1).

525461 is an equidigital number, since it uses as much as digits as its factorization.

525461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 23.

The square root of 525461 is about 724.8868877280. The cubic root of 525461 is about 80.6950377935.

Adding to 525461 its reverse (164525), we get a palindrome (689986).

The spelling of 525461 in words is "five hundred twenty-five thousand, four hundred sixty-one".