61152397 has 2 divisors, whose sum is σ = 61152398. Its totient is φ = 61152396.

The previous prime is 61152373. The next prime is 61152401. The reversal of 61152397 is 79325116.

61152397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55071241 + 6081156 = 7421^2 + 2466^2 .

It is a cyclic number.

It is not a de Polignac number, because 61152397 - 2⁷ = 61152269 is a prime.

It is equal to p_3626494 and since 61152397 and 3626494 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61152337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30576198 + 30576199.

It is an arithmetic number, because the mean of its divisors is an integer number (30576199).

Almost surely, 2^61152397 is an apocalyptic number.

It is an amenable number.

61152397 is a deficient number, since it is larger than the sum of its proper divisors (1).

61152397 is an equidigital number, since it uses as much as digits as its factorization.

61152397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 34.

The square root of 61152397 is about 7819.9998081841. Note that the first 3 decimals coincide. The cubic root of 61152397 is about 393.9772655593.

The spelling of 61152397 in words is "sixty-one million, one hundred fifty-two thousand, three hundred ninety-seven".