525454 has 16 divisors (see below), whose sum is σ = 825840. Its totient is φ = 250560.

The previous prime is 525439. The next prime is 525457. The reversal of 525454 is 454525.

It is a super-2 number, since 2×525454² = 552203812232, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525457) 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, 7162 + ... + 7234.

It is an arithmetic number, because the mean of its divisors is an integer number (51615).

2⁵²⁵⁴⁵⁴ is an apocalyptic number.

525454 is a deficient number, since it is larger than the sum of its proper divisors (300386).

525454 is a wasteful number, since it uses less digits than its factorization.

525454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195.

The product of its digits is 4000, while the sum is 25.

The square root of 525454 is about 724.8820593724. The cubic root of 525454 is about 80.6946794619.

Adding to 525454 its reverse (454525), we get a palindrome (979979).

It can be divided in two parts, 525 and 454, that added together give a palindrome (979).

The spelling of 525454 in words is "five hundred twenty-five thousand, four hundred fifty-four".