61350286 has 4 divisors (see below), whose sum is σ = 92025432. Its totient is φ = 30675142.

The previous prime is 61350277. The next prime is 61350287. The reversal of 61350286 is 68205316.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61350287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15337570 + ... + 15337573.

It is an arithmetic number, because the mean of its divisors is an integer number (23006358).

Almost surely, 2^61350286 is an apocalyptic number.

61350286 is a deficient number, since it is larger than the sum of its proper divisors (30675146).

61350286 is a wasteful number, since it uses less digits than its factorization.

61350286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30675145.

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

The square root of 61350286 is about 7832.6423383173. The cubic root of 61350286 is about 394.4017777885.

The spelling of 61350286 in words is "sixty-one million, three hundred fifty thousand, two hundred eighty-six".