61065097 has 4 divisors (see below), whose sum is σ = 63170820. Its totient is φ = 58959376.

The previous prime is 61065091. The next prime is 61065101. The reversal of 61065097 is 79056016.

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 21864976 + 39200121 = 4676^2 + 6261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61065097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61065091) 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, 1052818 + ... + 1052875.

It is an arithmetic number, because the mean of its divisors is an integer number (15792705).

Almost surely, 2^61065097 is an apocalyptic number.

It is an amenable number.

61065097 is a deficient number, since it is larger than the sum of its proper divisors (2105723).

61065097 is a wasteful number, since it uses less digits than its factorization.

61065097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105722.

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

The square root of 61065097 is about 7814.4159730590. The cubic root of 61065097 is about 393.7896981223.

The spelling of 61065097 in words is "sixty-one million, sixty-five thousand, ninety-seven".