531418 has 4 divisors (see below), whose sum is σ = 797130. Its totient is φ = 265708.

The previous prime is 531383. The next prime is 531457. The reversal of 531418 is 814135.

531418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 288369 + 243049 = 537^2 + 493^2 .

It is a nialpdrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132853 + ... + 132856.

2⁵³¹⁴¹⁸ is an apocalyptic number.

531418 is a deficient number, since it is larger than the sum of its proper divisors (265712).

531418 is a wasteful number, since it uses less digits than its factorization.

531418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265711.

The product of its digits is 480, while the sum is 22.

The square root of 531418 is about 728.9842247950. The cubic root of 531418 is about 80.9988314621.

It can be divided in two parts, 531 and 418, that added together give a palindrome (949).

The spelling of 531418 in words is "five hundred thirty-one thousand, four hundred eighteen".