416531 has 2 divisors, whose sum is σ = 416532. Its totient is φ = 416530.

The previous prime is 416513. The next prime is 416543. The reversal of 416531 is 135614.

Together with previous prime (416513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 416531 - 2¹⁰ = 415507 is a prime.

It is a super-2 number, since 2×416531² = 346996147922, which contains 22 as substring.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (416501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208265 + 208266.

It is an arithmetic number, because the mean of its divisors is an integer number (208266).

2⁴¹⁶⁵³¹ is an apocalyptic number.

416531 is a deficient number, since it is larger than the sum of its proper divisors (1).

416531 is an equidigital number, since it uses as much as digits as its factorization.

416531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 20.

The square root of 416531 is about 645.3921288643. The cubic root of 416531 is about 74.6819718661.

The spelling of 416531 in words is "four hundred sixteen thousand, five hundred thirty-one".