61289343 has 6 divisors (see below), whose sum is σ = 88529064. Its totient is φ = 40859556.

The previous prime is 61289341. The next prime is 61289407. The reversal of 61289343 is 34398216.

61289343 is a `hidden beast` number, since 612 + 8 + 9 + 34 + 3 = 666.

It is not a de Polignac number, because 61289343 - 2¹ = 61289341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61289298 and 61289307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61289341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3404955 + ... + 3404972.

It is an arithmetic number, because the mean of its divisors is an integer number (14754844).

Almost surely, 2^61289343 is an apocalyptic number.

61289343 is a deficient number, since it is larger than the sum of its proper divisors (27239721).

61289343 is a wasteful number, since it uses less digits than its factorization.

61289343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6809933 (or 6809930 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 61289343 is about 7828.7510498163. The cubic root of 61289343 is about 394.2711400342.

The spelling of 61289343 in words is "sixty-one million, two hundred eighty-nine thousand, three hundred forty-three".