61158343 has 8 divisors (see below), whose sum is σ = 62596800. Its totient is φ = 59730528.

The previous prime is 61158323. The next prime is 61158353. The reversal of 61158343 is 34385116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-61158343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61158323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9618 + ... + 14656.

It is an arithmetic number, because the mean of its divisors is an integer number (7824600).

Almost surely, 2^61158343 is an apocalyptic number.

61158343 is a deficient number, since it is larger than the sum of its proper divisors (1438457).

61158343 is a wasteful number, since it uses less digits than its factorization.

61158343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321.

The product of its digits is 8640, while the sum is 31.

The square root of 61158343 is about 7820.3799779806. The cubic root of 61158343 is about 393.9900342760.

It can be divided in two parts, 61 and 158343, that added together give a square (158404 = 398²).

The spelling of 61158343 in words is "sixty-one million, one hundred fifty-eight thousand, three hundred forty-three".