1047006397 has 2 divisors, whose sum is σ = 1047006398. Its totient is φ = 1047006396.

The previous prime is 1047006349. The next prime is 1047006403. The reversal of 1047006397 is 7936007401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 612117081 + 434889316 = 24741^2 + 20854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1047006397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1047006347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523503198 + 523503199.

It is an arithmetic number, because the mean of its divisors is an integer number (523503199).

Almost surely, 2^1047006397 is an apocalyptic number.

It is an amenable number.

1047006397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047006397 is an equidigital number, since it uses as much as digits as its factorization.

1047006397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 1047006397 is about 32357.4782237430. The cubic root of 1047006397 is about 1015.4295049450.

The spelling of 1047006397 in words is "one billion, forty-seven million, six thousand, three hundred ninety-seven".