90476293 has 2 divisors, whose sum is σ = 90476294. Its totient is φ = 90476292.

The previous prime is 90476291. The next prime is 90476341. The reversal of 90476293 is 39267409.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67272804 + 23203489 = 8202^2 + 4817^2 .

It is a cyclic number.

It is not a de Polignac number, because 90476293 - 2¹ = 90476291 is a prime.

Together with 90476291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90476291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45238146 + 45238147.

It is an arithmetic number, because the mean of its divisors is an integer number (45238147).

Almost surely, 2^90476293 is an apocalyptic number.

It is an amenable number.

90476293 is a deficient number, since it is larger than the sum of its proper divisors (1).

90476293 is an equidigital number, since it uses as much as digits as its factorization.

90476293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 90476293 is about 9511.9027013527. The cubic root of 90476293 is about 448.9296255628.

The spelling of 90476293 in words is "ninety million, four hundred seventy-six thousand, two hundred ninety-three".