537494917 has 2 divisors, whose sum is σ = 537494918. Its totient is φ = 537494916.

The previous prime is 537494879. The next prime is 537494929. The reversal of 537494917 is 719494735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 534488161 + 3006756 = 23119^2 + 1734^2 .

It is a cyclic number.

It is not a de Polignac number, because 537494917 - 2²³ = 529106309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537494017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268747458 + 268747459.

It is an arithmetic number, because the mean of its divisors is an integer number (268747459).

Almost surely, 2^537494917 is an apocalyptic number.

It is an amenable number.

537494917 is a deficient number, since it is larger than the sum of its proper divisors (1).

537494917 is an equidigital number, since it uses as much as digits as its factorization.

537494917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 49.

The square root of 537494917 is about 23183.9366156829. The cubic root of 537494917 is about 813.0641028437.

The spelling of 537494917 in words is "five hundred thirty-seven million, four hundred ninety-four thousand, nine hundred seventeen".