90546541 has 2 divisors, whose sum is σ = 90546542. Its totient is φ = 90546540.

The previous prime is 90546481. The next prime is 90546557. The reversal of 90546541 is 14564509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76930441 + 13616100 = 8771^2 + 3690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90546541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90546497 and 90546506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90546041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45273270 + 45273271.

It is an arithmetic number, because the mean of its divisors is an integer number (45273271).

Almost surely, 2^90546541 is an apocalyptic number.

It is an amenable number.

90546541 is a deficient number, since it is larger than the sum of its proper divisors (1).

90546541 is an equidigital number, since it uses as much as digits as its factorization.

90546541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 90546541 is about 9515.5946214622. The cubic root of 90546541 is about 449.0457821416.

The spelling of 90546541 in words is "ninety million, five hundred forty-six thousand, five hundred forty-one".