90825673 has 2 divisors, whose sum is σ = 90825674. Its totient is φ = 90825672.

The previous prime is 90825661. The next prime is 90825697. The reversal of 90825673 is 37652809.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90098064 + 727609 = 9492^2 + 853^2 .

It is a cyclic number.

It is not a de Polignac number, because 90825673 - 2⁵ = 90825641 is a prime.

It is not a weakly prime, because it can be changed into another prime (90825653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45412836 + 45412837.

It is an arithmetic number, because the mean of its divisors is an integer number (45412837).

Almost surely, 2^90825673 is an apocalyptic number.

It is an amenable number.

90825673 is a deficient number, since it is larger than the sum of its proper divisors (1).

90825673 is an equidigital number, since it uses as much as digits as its factorization.

90825673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 90825673 is about 9530.2504164371. The cubic root of 90825673 is about 449.5067401776.

The spelling of 90825673 in words is "ninety million, eight hundred twenty-five thousand, six hundred seventy-three".