61297701 has 8 divisors (see below), whose sum is σ = 81950880. Its totient is φ = 40754832.

The previous prime is 61297679. The next prime is 61297703. The reversal of 61297701 is 10779216.

61297701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61297701 - 2⁷ = 61297573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61297703) 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 in 7 ways as a sum of consecutive naturals, for example, 26271 + ... + 28508.

It is an arithmetic number, because the mean of its divisors is an integer number (10243860).

Almost surely, 2^61297701 is an apocalyptic number.

It is an amenable number.

61297701 is a deficient number, since it is larger than the sum of its proper divisors (20653179).

61297701 is a wasteful number, since it uses less digits than its factorization.

61297701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55155.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 61297701 is about 7829.2848332399. The cubic root of 61297701 is about 394.2890614120.

The spelling of 61297701 in words is "sixty-one million, two hundred ninety-seven thousand, seven hundred one".