61593689 has 2 divisors, whose sum is σ = 61593690. Its totient is φ = 61593688.

The previous prime is 61593671. The next prime is 61593733. The reversal of 61593689 is 98639516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59059225 + 2534464 = 7685^2 + 1592^2 .

It is a cyclic number.

It is not a de Polignac number, because 61593689 - 2²⁰ = 60545113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61593619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30796844 + 30796845.

It is an arithmetic number, because the mean of its divisors is an integer number (30796845).

Almost surely, 2^61593689 is an apocalyptic number.

It is an amenable number.

61593689 is a deficient number, since it is larger than the sum of its proper divisors (1).

61593689 is an equidigital number, since it uses as much as digits as its factorization.

61593689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 47.

The square root of 61593689 is about 7848.1646899132. The cubic root of 61593689 is about 394.9226767409.

The spelling of 61593689 in words is "sixty-one million, five hundred ninety-three thousand, six hundred eighty-nine".