90588061 has 2 divisors, whose sum is σ = 90588062. Its totient is φ = 90588060.

The previous prime is 90588037. The next prime is 90588079. The reversal of 90588061 is 16088509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83265625 + 7322436 = 9125^2 + 2706^2 .

It is a cyclic number.

It is not a de Polignac number, because 90588061 - 2⁷ = 90587933 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90588061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90588161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45294030 + 45294031.

It is an arithmetic number, because the mean of its divisors is an integer number (45294031).

Almost surely, 2^90588061 is an apocalyptic number.

It is an amenable number.

90588061 is a deficient number, since it is larger than the sum of its proper divisors (1).

90588061 is an equidigital number, since it uses as much as digits as its factorization.

90588061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 90588061 is about 9517.7760532595. The cubic root of 90588061 is about 449.1144081086.

The spelling of 90588061 in words is "ninety million, five hundred eighty-eight thousand, sixty-one".