61348897 has 4 divisors (see below), whose sum is σ = 61425540. Its totient is φ = 61272256.

The previous prime is 61348877. The next prime is 61348913. The reversal of 61348897 is 79884316.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54774801 + 6574096 = 7401^2 + 2564^2 .

It is a cyclic number.

It is not a de Polignac number, because 61348897 - 2⁷ = 61348769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61348867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37108 + ... + 38725.

It is an arithmetic number, because the mean of its divisors is an integer number (15356385).

Almost surely, 2^61348897 is an apocalyptic number.

It is an amenable number.

61348897 is a deficient number, since it is larger than the sum of its proper divisors (76643).

61348897 is an equidigital number, since it uses as much as digits as its factorization.

61348897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76642.

The product of its digits is 290304, while the sum is 46.

The square root of 61348897 is about 7832.5536704194. The cubic root of 61348897 is about 394.3988012840.

It can be divided in two parts, 6 and 1348897, that added together give a triangular number (1348903 = T₁₆₄₂).

The spelling of 61348897 in words is "sixty-one million, three hundred forty-eight thousand, eight hundred ninety-seven".