52106491 has 2 divisors, whose sum is σ = 52106492. Its totient is φ = 52106490.

The previous prime is 52106437. The next prime is 52106501. The reversal of 52106491 is 19460125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52106491 - 2¹¹ = 52104443 is a prime.

It is equal to p_3119842 and since 52106491 and 3119842 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (52106401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26053245 + 26053246.

It is an arithmetic number, because the mean of its divisors is an integer number (26053246).

Almost surely, 2^52106491 is an apocalyptic number.

52106491 is a deficient number, since it is larger than the sum of its proper divisors (1).

52106491 is an equidigital number, since it uses as much as digits as its factorization.

52106491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 52106491 is about 7218.4825967789. The cubic root of 52106491 is about 373.5057360798.

The spelling of 52106491 in words is "fifty-two million, one hundred six thousand, four hundred ninety-one".