890572493 has 2 divisors, whose sum is σ = 890572494. Its totient is φ = 890572492.

The previous prime is 890572483. The next prime is 890572559. The reversal of 890572493 is 394275098.

It is a happy number.

890572493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 870663049 + 19909444 = 29507^2 + 4462^2 .

It is a cyclic number.

It is not a de Polignac number, because 890572493 - 2⁴ = 890572477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (890572483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445286246 + 445286247.

It is an arithmetic number, because the mean of its divisors is an integer number (445286247).

Almost surely, 2^890572493 is an apocalyptic number.

It is an amenable number.

890572493 is a deficient number, since it is larger than the sum of its proper divisors (1).

890572493 is an equidigital number, since it uses as much as digits as its factorization.

890572493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 890572493 is about 29842.4612423305. The cubic root of 890572493 is about 962.1063750091.

The spelling of 890572493 in words is "eight hundred ninety million, five hundred seventy-two thousand, four hundred ninety-three".