90265437 has 12 divisors (see below), whose sum is σ = 130565500. Its totient is φ = 60092928.

The previous prime is 90265411. The next prime is 90265451. The reversal of 90265437 is 73456209.

90265437 is a `hidden beast` number, since 90 + 26 + 543 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39200121 + 51065316 = 6261^2 + 7146^2 .

It is not a de Polignac number, because 90265437 - 2¹⁰ = 90264413 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 (90365437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189 + ... + 13437.

Almost surely, 2^90265437 is an apocalyptic number.

It is an amenable number.

90265437 is a deficient number, since it is larger than the sum of its proper divisors (40300063).

90265437 is a wasteful number, since it uses less digits than its factorization.

90265437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14012 (or 14009 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 90265437 is about 9500.8124389444. The cubic root of 90265437 is about 448.5806091433.

The spelling of 90265437 in words is "ninety million, two hundred sixty-five thousand, four hundred thirty-seven".