4351397 has 2 divisors, whose sum is σ = 4351398. Its totient is φ = 4351396.

The previous prime is 4351357. The next prime is 4351409. The reversal of 4351397 is 7931534.

It is a happy number.

It is a Cunningham number, because it is equal to 2086²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4351396 + 1 = 2086^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 4351397 - 2¹⁶ = 4285861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4351327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2175698 + 2175699.

It is an arithmetic number, because the mean of its divisors is an integer number (2175699).

Almost surely, 2^4351397 is an apocalyptic number.

It is an amenable number.

4351397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4351397 is an equidigital number, since it uses as much as digits as its factorization.

4351397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 32.

The square root of 4351397 is about 2086.0002396932. Note that the first 3 decimals coincide. The cubic root of 4351397 is about 163.2586631707.

The spelling of 4351397 in words is "four million, three hundred fifty-one thousand, three hundred ninety-seven".