61595297 has 2 divisors, whose sum is σ = 61595298. Its totient is φ = 61595296.

The previous prime is 61595293. The next prime is 61595309. The reversal of 61595297 is 79259516.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56415121 + 5180176 = 7511^2 + 2276^2 .

It is a cyclic number.

It is not a de Polignac number, because 61595297 - 2² = 61595293 is a prime.

It is a super-2 number, since 2×61595297² = 7587961225036418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61595293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30797648 + 30797649.

It is an arithmetic number, because the mean of its divisors is an integer number (30797649).

Almost surely, 2^61595297 is an apocalyptic number.

It is an amenable number.

61595297 is a deficient number, since it is larger than the sum of its proper divisors (1).

61595297 is an equidigital number, since it uses as much as digits as its factorization.

61595297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 44.

The square root of 61595297 is about 7848.2671335780. The cubic root of 61595297 is about 394.9261134032.

The spelling of 61595297 in words is "sixty-one million, five hundred ninety-five thousand, two hundred ninety-seven".