906417131 has 2 divisors, whose sum is σ = 906417132. Its totient is φ = 906417130.

The previous prime is 906417121. The next prime is 906417133. The reversal of 906417131 is 131714609.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 906417131 - 2¹⁸ = 906154987 is a prime.

It is a super-2 number, since 2×906417131² = 1643184030740542322, which contains 22 as substring.

Together with 906417133, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_46320359 and since 906417131 and 46320359 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (906417133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453208565 + 453208566.

It is an arithmetic number, because the mean of its divisors is an integer number (453208566).

Almost surely, 2^906417131 is an apocalyptic number.

906417131 is a deficient number, since it is larger than the sum of its proper divisors (1).

906417131 is an equidigital number, since it uses as much as digits as its factorization.

906417131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 906417131 is about 30106.7622138283. The cubic root of 906417131 is about 967.7786455563.

The spelling of 906417131 in words is "nine hundred six million, four hundred seventeen thousand, one hundred thirty-one".