90357271 has 4 divisors (see below), whose sum is σ = 94285872. Its totient is φ = 86428672.

The previous prime is 90357269. The next prime is 90357299. The reversal of 90357271 is 17275309.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17275309 = 41 ⋅421349.

It is a cyclic number.

It is not a de Polignac number, because 90357271 - 2¹ = 90357269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90357571) 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, 1964266 + ... + 1964311.

It is an arithmetic number, because the mean of its divisors is an integer number (23571468).

Almost surely, 2^90357271 is an apocalyptic number.

90357271 is a deficient number, since it is larger than the sum of its proper divisors (3928601).

90357271 is a wasteful number, since it uses less digits than its factorization.

90357271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928600.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 90357271 is about 9505.6441654419. The cubic root of 90357271 is about 448.7326828150.

The spelling of 90357271 in words is "ninety million, three hundred fifty-seven thousand, two hundred seventy-one".