538116451 has 2 divisors, whose sum is σ = 538116452. Its totient is φ = 538116450.

The previous prime is 538116443. The next prime is 538116503. The reversal of 538116451 is 154611835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538116451 - 2³ = 538116443 is a prime.

It is not a weakly prime, because it can be changed into another prime (538116151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269058225 + 269058226.

It is an arithmetic number, because the mean of its divisors is an integer number (269058226).

Almost surely, 2^538116451 is an apocalyptic number.

538116451 is a deficient number, since it is larger than the sum of its proper divisors (1).

538116451 is an equidigital number, since it uses as much as digits as its factorization.

538116451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 34.

The square root of 538116451 is about 23197.3371532165. The cubic root of 538116451 is about 813.3773785644.

The spelling of 538116451 in words is "five hundred thirty-eight million, one hundred sixteen thousand, four hundred fifty-one".