1606412131 has 2 divisors, whose sum is σ = 1606412132. Its totient is φ = 1606412130.

The previous prime is 1606412123. The next prime is 1606412173. The reversal of 1606412131 is 1312146061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1606412131 - 2³ = 1606412123 is a prime.

It is a super-2 number, since 2×1606412131² = 5161119869247922322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1606412096 and 1606412105.

It is not a weakly prime, because it can be changed into another prime (1606412111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803206065 + 803206066.

It is an arithmetic number, because the mean of its divisors is an integer number (803206066).

Almost surely, 2^1606412131 is an apocalyptic number.

1606412131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606412131 is an equidigital number, since it uses as much as digits as its factorization.

1606412131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1606412131 is about 40080.0714944472. The cubic root of 1606412131 is about 1171.1674447936.

Adding to 1606412131 its reverse (1312146061), we get a palindrome (2918558192).

The spelling of 1606412131 in words is "one billion, six hundred six million, four hundred twelve thousand, one hundred thirty-one".