90454363 has 2 divisors, whose sum is σ = 90454364. Its totient is φ = 90454362.

The previous prime is 90454361. The next prime is 90454369. The reversal of 90454363 is 36345409.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (36345409) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90454363 - 2¹ = 90454361 is a prime.

Together with 90454361, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (90454361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45227181 + 45227182.

It is an arithmetic number, because the mean of its divisors is an integer number (45227182).

Almost surely, 2^90454363 is an apocalyptic number.

90454363 is a deficient number, since it is larger than the sum of its proper divisors (1).

90454363 is an equidigital number, since it uses as much as digits as its factorization.

90454363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 90454363 is about 9510.7498652840. The cubic root of 90454363 is about 448.8933515220.

The spelling of 90454363 in words is "ninety million, four hundred fifty-four thousand, three hundred sixty-three".