4945397 has 2 divisors, whose sum is σ = 4945398. Its totient is φ = 4945396.

The previous prime is 4945393. The next prime is 4945411. The reversal of 4945397 is 7935494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4866436 + 78961 = 2206^2 + 281^2 .

It is a cyclic number.

It is not a de Polignac number, because 4945397 - 2² = 4945393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4945393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2472698 + 2472699.

It is an arithmetic number, because the mean of its divisors is an integer number (2472699).

Almost surely, 2^4945397 is an apocalyptic number.

It is an amenable number.

4945397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4945397 is an equidigital number, since it uses as much as digits as its factorization.

4945397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 4945397 is about 2223.8248582116. The cubic root of 4945397 is about 170.3728494767.

The spelling of 4945397 in words is "four million, nine hundred forty-five thousand, three hundred ninety-seven".