61000097 has 6 divisors (see below), whose sum is σ = 64799718. Its totient is φ = 57411584.

The previous prime is 61000091. The next prime is 61000111. The reversal of 61000097 is 79000016.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 25847056 + 35153041 = 5084^2 + 5929^2 .

It is a de Polignac number, because none of the positive numbers 2^k-61000097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61000091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105248 + ... + 105825.

It is an arithmetic number, because the mean of its divisors is an integer number (10799953).

Almost surely, 2^61000097 is an apocalyptic number.

It is an amenable number.

61000097 is a deficient number, since it is larger than the sum of its proper divisors (3799621).

61000097 is a wasteful number, since it uses less digits than its factorization.

61000097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211107 (or 211090 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 61000097 is about 7810.2558856929. The cubic root of 61000097 is about 393.6499269660.

It can be divided in two parts, 6100009 and 7, that added together give a palindrome (6100016).

The spelling of 61000097 in words is "sixty-one million, ninety-seven", and thus it is an aban number and an uban number.