61595893 has 2 divisors, whose sum is σ = 61595894. Its totient is φ = 61595892.

The previous prime is 61595887. The next prime is 61595903. The reversal of 61595893 is 39859516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34316164 + 27279729 = 5858^2 + 5223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61595893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61595813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30797946 + 30797947.

It is an arithmetic number, because the mean of its divisors is an integer number (30797947).

Almost surely, 2^61595893 is an apocalyptic number.

It is an amenable number.

61595893 is a deficient number, since it is larger than the sum of its proper divisors (1).

61595893 is an equidigital number, since it uses as much as digits as its factorization.

61595893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 46.

The square root of 61595893 is about 7848.3051036514. The cubic root of 61595893 is about 394.9273871758.

The spelling of 61595893 in words is "sixty-one million, five hundred ninety-five thousand, eight hundred ninety-three".