1607131 has 2 divisors, whose sum is σ = 1607132. Its totient is φ = 1607130.

The previous prime is 1607113. The next prime is 1607141. The reversal of 1607131 is 1317061.

It is a happy number.

Together with previous prime (1607113) 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 1607131 - 2⁷ = 1607003 is a prime.

It is a super-2 number, since 2×1607131² = 5165740102322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1607099 and 1607108.

It is not a weakly prime, because it can be changed into another prime (1607141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803565 + 803566.

It is an arithmetic number, because the mean of its divisors is an integer number (803566).

2^1607131 is an apocalyptic number.

1607131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1607131 is an equidigital number, since it uses as much as digits as its factorization.

1607131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 1607131 is about 1267.7267055639. The cubic root of 1607131 is about 117.1342117781.

The spelling of 1607131 in words is "one million, six hundred seven thousand, one hundred thirty-one".