3561197 has 2 divisors, whose sum is σ = 3561198. Its totient is φ = 3561196.

The previous prime is 3561193. The next prime is 3561203. The reversal of 3561197 is 7911653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2725801 + 835396 = 1651^2 + 914^2 .

It is an emirp because it is prime and its reverse (7911653) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3561197 - 2² = 3561193 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3561191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780598 + 1780599.

It is an arithmetic number, because the mean of its divisors is an integer number (1780599).

Almost surely, 2^3561197 is an apocalyptic number.

It is an amenable number.

3561197 is a deficient number, since it is larger than the sum of its proper divisors (1).

3561197 is an equidigital number, since it uses as much as digits as its factorization.

3561197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 32.

The square root of 3561197 is about 1887.1134041175. The cubic root of 3561197 is about 152.7092460407.

The spelling of 3561197 in words is "three million, five hundred sixty-one thousand, one hundred ninety-seven".