90536525 has 6 divisors (see below), whose sum is σ = 112265322. Its totient is φ = 72429200.

The previous prime is 90536489. The next prime is 90536581. The reversal of 90536525 is 52563509.

90536525 = 1891² + 1892² + ... + 1915².

It can be written as a sum of positive squares in 3 ways, for example, as 24423364 + 66113161 = 4942^2 + 8131^2 .

It is not a de Polignac number, because 90536525 - 2¹⁴ = 90520141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1810706 + ... + 1810755.

It is an arithmetic number, because the mean of its divisors is an integer number (18710887).

Almost surely, 2^90536525 is an apocalyptic number.

It is an amenable number.

90536525 is a deficient number, since it is larger than the sum of its proper divisors (21728797).

90536525 is a wasteful number, since it uses less digits than its factorization.

90536525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621471 (or 3621466 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 90536525 is about 9515.0683129445. The cubic root of 90536525 is about 449.0292241433.

The spelling of 90536525 in words is "ninety million, five hundred thirty-six thousand, five hundred twenty-five".