612006697 has 2 divisors, whose sum is σ = 612006698. Its totient is φ = 612006696.

The previous prime is 612006607. The next prime is 612006719. The reversal of 612006697 is 796600216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513520921 + 98485776 = 22661^2 + 9924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612006697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (612006607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306003348 + 306003349.

It is an arithmetic number, because the mean of its divisors is an integer number (306003349).

Almost surely, 2^612006697 is an apocalyptic number.

It is an amenable number.

612006697 is a deficient number, since it is larger than the sum of its proper divisors (1).

612006697 is an equidigital number, since it uses as much as digits as its factorization.

612006697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 612006697 is about 24738.7691084257. The cubic root of 612006697 is about 849.0215717490.

The spelling of 612006697 in words is "six hundred twelve million, six thousand, six hundred ninety-seven".