61033397 has 2 divisors, whose sum is σ = 61033398. Its totient is φ = 61033396.

The previous prime is 61033361. The next prime is 61033409. The reversal of 61033397 is 79333016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48916036 + 12117361 = 6994^2 + 3481^2 .

It is a cyclic number.

It is not a de Polignac number, because 61033397 - 2⁶ = 61033333 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 (61033097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30516698 + 30516699.

It is an arithmetic number, because the mean of its divisors is an integer number (30516699).

Almost surely, 2^61033397 is an apocalyptic number.

It is an amenable number.

61033397 is a deficient number, since it is larger than the sum of its proper divisors (1).

61033397 is an equidigital number, since it uses as much as digits as its factorization.

61033397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 32.

The square root of 61033397 is about 7812.3874071887. The cubic root of 61033397 is about 393.7215452016.

The spelling of 61033397 in words is "sixty-one million, thirty-three thousand, three hundred ninety-seven".