531477 has 6 divisors (see below), whose sum is σ = 767702. Its totient is φ = 354312.

The previous prime is 531457. The next prime is 531481. The reversal of 531477 is 774135.

It can be written as a sum of positive squares in only one way, i.e., 531441 + 36 = 729^2 + 6^2 .

It is not a de Polignac number, because 531477 - 2¹² = 527381 is a prime.

It is a d-powerful number, because it can be written as 5 + 3¹² + 4² + 1 + 7 + 7 .

It is a Duffinian number.

531477 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 531477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29518 + ... + 29535.

2⁵³¹⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

531477 is a deficient number, since it is larger than the sum of its proper divisors (236225).

531477 is a wasteful number, since it uses less digits than its factorization.

531477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59059 (or 59056 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 531477 is about 729.0246909399. The cubic root of 531477 is about 81.0018289482.

The spelling of 531477 in words is "five hundred thirty-one thousand, four hundred seventy-seven".