66925319 has 2 divisors, whose sum is σ = 66925320. Its totient is φ = 66925318.

The previous prime is 66925297. The next prime is 66925333. The reversal of 66925319 is 91352966.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66925319 - 2¹² = 66921223 is a prime.

It is a super-2 number, since 2×66925319² = 8957996646503522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66925349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33462659 + 33462660.

It is an arithmetic number, because the mean of its divisors is an integer number (33462660).

Almost surely, 2^66925319 is an apocalyptic number.

66925319 is a deficient number, since it is larger than the sum of its proper divisors (1).

66925319 is an equidigital number, since it uses as much as digits as its factorization.

66925319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 41.

The square root of 66925319 is about 8180.7896318143. The cubic root of 66925319 is about 406.0038482329.

The spelling of 66925319 in words is "sixty-six million, nine hundred twenty-five thousand, three hundred nineteen".