3151361 has 2 divisors, whose sum is σ = 3151362. Its totient is φ = 3151360.

The previous prime is 3151333. The next prime is 3151373. The reversal of 3151361 is 1631513.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2560000 + 591361 = 1600^2 + 769^2 .

It is a cyclic number.

It is not a de Polignac number, because 3151361 - 2¹⁰ = 3150337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3151381) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1575680 + 1575681.

It is an arithmetic number, because the mean of its divisors is an integer number (1575681).

Almost surely, 2^3151361 is an apocalyptic number.

It is an amenable number.

3151361 is a deficient number, since it is larger than the sum of its proper divisors (1).

3151361 is an equidigital number, since it uses as much as digits as its factorization.

3151361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270, while the sum is 20.

The square root of 3151361 is about 1775.2073118371. The cubic root of 3151361 is about 146.6108298702.

Adding to 3151361 its reverse (1631513), we get a palindrome (4782874).

The spelling of 3151361 in words is "three million, one hundred fifty-one thousand, three hundred sixty-one".