61842593 has 4 divisors (see below), whose sum is σ = 62856468. Its totient is φ = 60828720.

The previous prime is 61842581. The next prime is 61842667. The reversal of 61842593 is 39524816.

It is a happy number.

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 23116864 + 38725729 = 4808^2 + 6223^2 .

It is a cyclic number.

It is not a de Polignac number, because 61842593 - 2⁸ = 61842337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61842563) 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, 506846 + ... + 506967.

It is an arithmetic number, because the mean of its divisors is an integer number (15714117).

Almost surely, 2^61842593 is an apocalyptic number.

It is an amenable number.

61842593 is a deficient number, since it is larger than the sum of its proper divisors (1013875).

61842593 is a wasteful number, since it uses less digits than its factorization.

61842593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013874.

The product of its digits is 51840, while the sum is 38.

The square root of 61842593 is about 7864.0061673424. The cubic root of 61842593 is about 395.4539309583.

The spelling of 61842593 in words is "sixty-one million, eight hundred forty-two thousand, five hundred ninety-three".