61344397 has 2 divisors, whose sum is σ = 61344398. Its totient is φ = 61344396.

The previous prime is 61344391. The next prime is 61344403. The reversal of 61344397 is 79344316.

It is a balanced prime because it is at equal distance from previous prime (61344391) and next prime (61344403).

It can be written as a sum of positive squares in only one way, i.e., 57851236 + 3493161 = 7606^2 + 1869^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61344397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61344391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30672198 + 30672199.

It is an arithmetic number, because the mean of its divisors is an integer number (30672199).

Almost surely, 2^61344397 is an apocalyptic number.

It is an amenable number.

61344397 is a deficient number, since it is larger than the sum of its proper divisors (1).

61344397 is an equidigital number, since it uses as much as digits as its factorization.

61344397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 61344397 is about 7832.2664025172. The cubic root of 61344397 is about 394.3891578724.

The spelling of 61344397 in words is "sixty-one million, three hundred forty-four thousand, three hundred ninety-seven".