90652243 has 4 divisors (see below), whose sum is σ = 98893368. Its totient is φ = 82411120.

The previous prime is 90652241. The next prime is 90652259. The reversal of 90652243 is 34225609.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34225609 = 11 ⋅3111419.

It is not a de Polignac number, because 90652243 - 2¹ = 90652241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90652241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4120546 + ... + 4120567.

It is an arithmetic number, because the mean of its divisors is an integer number (24723342).

Almost surely, 2^90652243 is an apocalyptic number.

90652243 is a deficient number, since it is larger than the sum of its proper divisors (8241125).

90652243 is a wasteful number, since it uses less digits than its factorization.

90652243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8241124.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 90652243 is about 9521.1471472717. The cubic root of 90652243 is about 449.2204495146.

The spelling of 90652243 in words is "ninety million, six hundred fifty-two thousand, two hundred forty-three".