90470453 has 2 divisors, whose sum is σ = 90470454. Its totient is φ = 90470452.

The previous prime is 90470407. The next prime is 90470461. The reversal of 90470453 is 35407409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84676804 + 5793649 = 9202^2 + 2407^2 .

It is a cyclic number.

It is not a de Polignac number, because 90470453 - 2⁶ = 90470389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90470473) 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, 45235226 + 45235227.

It is an arithmetic number, because the mean of its divisors is an integer number (45235227).

Almost surely, 2^90470453 is an apocalyptic number.

It is an amenable number.

90470453 is a deficient number, since it is larger than the sum of its proper divisors (1).

90470453 is an equidigital number, since it uses as much as digits as its factorization.

90470453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 90470453 is about 9511.5957126026. The cubic root of 90470453 is about 448.9199662906.

The spelling of 90470453 in words is "ninety million, four hundred seventy thousand, four hundred fifty-three".