525466 has 4 divisors (see below), whose sum is σ = 788202. Its totient is φ = 262732.

The previous prime is 525461. The next prime is 525467. The reversal of 525466 is 664525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 519841 + 5625 = 721^2 + 75^2 .

It is a super-2 number, since 2×525466² = 552229034312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (525461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131365 + ... + 131368.

2⁵²⁵⁴⁶⁶ is an apocalyptic number.

525466 is a deficient number, since it is larger than the sum of its proper divisors (262736).

525466 is a wasteful number, since it uses less digits than its factorization.

525466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262735.

The product of its digits is 7200, while the sum is 28.

The square root of 525466 is about 724.8903365337. The cubic root of 525466 is about 80.6952937426.

It can be divided in two parts, 525 and 466, that multiplied together give a triangular number (244650 = T₆₉₉).

The spelling of 525466 in words is "five hundred twenty-five thousand, four hundred sixty-six".