90265471 has 4 divisors (see below), whose sum is σ = 92364712. Its totient is φ = 88166232.

The previous prime is 90265453. The next prime is 90265481. The reversal of 90265471 is 17456209.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90265471 - 2¹⁷ = 90134399 is a prime.

It is a super-3 number, since 3×90265471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90265411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049556 + ... + 1049641.

It is an arithmetic number, because the mean of its divisors is an integer number (23091178).

Almost surely, 2^90265471 is an apocalyptic number.

90265471 is a deficient number, since it is larger than the sum of its proper divisors (2099241).

90265471 is a wasteful number, since it uses less digits than its factorization.

90265471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099240.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 90265471 is about 9500.8142282649. The cubic root of 90265471 is about 448.5806654651.

The spelling of 90265471 in words is "ninety million, two hundred sixty-five thousand, four hundred seventy-one".