90064253 has 4 divisors (see below), whose sum is σ = 92498460. Its totient is φ = 87630048.

The previous prime is 90064229. The next prime is 90064259. The reversal of 90064253 is 35246009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35246009 = 241 ⋅146249.

It can be written as a sum of positive squares in 2 ways, for example, as 35259844 + 54804409 = 5938^2 + 7403^2 .

It is a cyclic number.

It is not a de Polignac number, because 90064253 - 2¹⁴ = 90047869 is a prime.

It is a super-2 number, since 2×90064253² = 16223139336896018, which contains 22 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 (90064259) 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, 1217048 + ... + 1217121.

It is an arithmetic number, because the mean of its divisors is an integer number (23124615).

Almost surely, 2^90064253 is an apocalyptic number.

It is an amenable number.

90064253 is a deficient number, since it is larger than the sum of its proper divisors (2434207).

90064253 is a wasteful number, since it uses less digits than its factorization.

90064253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434206.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 90064253 is about 9490.2188067505. The cubic root of 90064253 is about 448.2470951013.

The spelling of 90064253 in words is "ninety million, sixty-four thousand, two hundred fifty-three".