10491541 has 2 divisors, whose sum is σ = 10491542. Its totient is φ = 10491540.

The previous prime is 10491539. The next prime is 10491571. The reversal of 10491541 is 14519401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7584516 + 2907025 = 2754^2 + 1705^2 .

It is a cyclic number.

It is not a de Polignac number, because 10491541 - 2¹ = 10491539 is a prime.

It is a super-2 number, since 2×10491541² = 220144865109362, which contains 22 as substring.

Together with 10491539, it forms a pair of twin primes.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10491571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5245770 + 5245771.

It is an arithmetic number, because the mean of its divisors is an integer number (5245771).

Almost surely, 2^10491541 is an apocalyptic number.

It is an amenable number.

10491541 is a deficient number, since it is larger than the sum of its proper divisors (1).

10491541 is an equidigital number, since it uses as much as digits as its factorization.

10491541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 10491541 is about 3239.0648341767. The cubic root of 10491541 is about 218.9171374622.

The spelling of 10491541 in words is "ten million, four hundred ninety-one thousand, five hundred forty-one".