8490541 has 2 divisors, whose sum is σ = 8490542. Its totient is φ = 8490540.

The previous prime is 8490539. The next prime is 8490553. The reversal of 8490541 is 1450948.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7896100 + 594441 = 2810^2 + 771^2 .

It is a cyclic number.

It is not a de Polignac number, because 8490541 - 2¹ = 8490539 is a prime.

Together with 8490539, it forms a pair of twin primes.

It is a Chen prime.

8490541 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8490571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4245270 + 4245271.

It is an arithmetic number, because the mean of its divisors is an integer number (4245271).

Almost surely, 2^8490541 is an apocalyptic number.

It is an amenable number.

8490541 is a deficient number, since it is larger than the sum of its proper divisors (1).

8490541 is an equidigital number, since it uses as much as digits as its factorization.

8490541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 8490541 is about 2913.8532907475. The cubic root of 8490541 is about 204.0070243000.

The spelling of 8490541 in words is "eight million, four hundred ninety thousand, five hundred forty-one".