90253501 has 4 divisors (see below), whose sum is σ = 97196092. Its totient is φ = 83310912.

The previous prime is 90253483. The next prime is 90253507. The reversal of 90253501 is 10535209.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10535209 = 101 ⋅104309.

It can be written as a sum of positive squares in 2 ways, for example, as 12355225 + 77898276 = 3515^2 + 8826^2 .

It is a cyclic number.

It is not a de Polignac number, because 90253501 - 2¹⁷ = 90122429 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 (90253507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3471276 + ... + 3471301.

It is an arithmetic number, because the mean of its divisors is an integer number (24299023).

Almost surely, 2^90253501 is an apocalyptic number.

It is an amenable number.

90253501 is a deficient number, since it is larger than the sum of its proper divisors (6942591).

90253501 is a wasteful number, since it uses less digits than its factorization.

90253501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6942590.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 90253501 is about 9500.1842613709. The cubic root of 90253501 is about 448.5608360003.

The spelling of 90253501 in words is "ninety million, two hundred fifty-three thousand, five hundred one".