525481 has 16 divisors (see below), whose sum is σ = 626688. Its totient is φ = 435600.

The previous prime is 525467. The next prime is 525491. The reversal of 525481 is 184525.

It is not a de Polignac number, because 525481 - 2⁷ = 525353 is a prime.

It is a super-2 number, since 2×525481² = 552260562722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7810 + ... + 7876.

It is an arithmetic number, because the mean of its divisors is an integer number (39168).

2⁵²⁵⁴⁸¹ is an apocalyptic number.

It is an amenable number.

525481 is a deficient number, since it is larger than the sum of its proper divisors (101207).

525481 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 13 representation: 525481 = (155248)₁₃.

525481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132.

The product of its digits is 1600, while the sum is 25.

The square root of 525481 is about 724.9006828525. The cubic root of 525481 is about 80.6960615804.

It can be divided in two parts, 5254 and 81, that added together give a palindrome (5335).

The spelling of 525481 in words is "five hundred twenty-five thousand, four hundred eighty-one".