90469543 has 2 divisors, whose sum is σ = 90469544. Its totient is φ = 90469542.

The previous prime is 90469487. The next prime is 90469553. The reversal of 90469543 is 34596409.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90469543 - 2¹³ = 90461351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90469496 and 90469505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90469553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45234771 + 45234772.

It is an arithmetic number, because the mean of its divisors is an integer number (45234772).

Almost surely, 2^90469543 is an apocalyptic number.

90469543 is a deficient number, since it is larger than the sum of its proper divisors (1).

90469543 is an equidigital number, since it uses as much as digits as its factorization.

90469543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 90469543 is about 9511.5478761346. The cubic root of 90469543 is about 448.9184611268.

The spelling of 90469543 in words is "ninety million, four hundred sixty-nine thousand, five hundred forty-three".