90498461 has 2 divisors, whose sum is σ = 90498462. Its totient is φ = 90498460.

The previous prime is 90498437. The next prime is 90498467. The reversal of 90498461 is 16489409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71740900 + 18757561 = 8470^2 + 4331^2 .

It is an emirp because it is prime and its reverse (16489409) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90498461 - 2²² = 86304157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90498467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45249230 + 45249231.

It is an arithmetic number, because the mean of its divisors is an integer number (45249231).

Almost surely, 2^90498461 is an apocalyptic number.

It is an amenable number.

90498461 is a deficient number, since it is larger than the sum of its proper divisors (1).

90498461 is an equidigital number, since it uses as much as digits as its factorization.

90498461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 90498461 is about 9513.0679068322. The cubic root of 90498461 is about 448.9662873185.

The spelling of 90498461 in words is "ninety million, four hundred ninety-eight thousand, four hundred sixty-one".