90834031 has 2 divisors, whose sum is σ = 90834032. Its totient is φ = 90834030.

The previous prime is 90834019. The next prime is 90834053. The reversal of 90834031 is 13043809.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90834031 - 2⁷ = 90833903 is a prime.

It is a super-2 number, since 2×90834031² = 16501642375417922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90834011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45417015 + 45417016.

It is an arithmetic number, because the mean of its divisors is an integer number (45417016).

Almost surely, 2^90834031 is an apocalyptic number.

90834031 is a deficient number, since it is larger than the sum of its proper divisors (1).

90834031 is an equidigital number, since it uses as much as digits as its factorization.

90834031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 90834031 is about 9530.6889047959. The cubic root of 90834031 is about 449.5205279903.

The spelling of 90834031 in words is "ninety million, eight hundred thirty-four thousand, thirty-one".