90477241 has 2 divisors, whose sum is σ = 90477242. Its totient is φ = 90477240.

The previous prime is 90477181. The next prime is 90477253. The reversal of 90477241 is 14277409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89870400 + 606841 = 9480^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 90477241 - 2¹¹ = 90475193 is a prime.

It is a super-2 number, since 2×90477241² = 16372262277944162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90477197 and 90477206.

It is not a weakly prime, because it can be changed into another prime (90477641) 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 as a sum of consecutive naturals, namely, 45238620 + 45238621.

It is an arithmetic number, because the mean of its divisors is an integer number (45238621).

Almost surely, 2^90477241 is an apocalyptic number.

It is an amenable number.

90477241 is a deficient number, since it is larger than the sum of its proper divisors (1).

90477241 is an equidigital number, since it uses as much as digits as its factorization.

90477241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 90477241 is about 9511.9525335233. The cubic root of 90477241 is about 448.9311935013.

The spelling of 90477241 in words is "ninety million, four hundred seventy-seven thousand, two hundred forty-one".