61265986 has 8 divisors (see below), whose sum is σ = 93633084. Its totient is φ = 30054960.

The previous prime is 61265959. The next prime is 61265987. The reversal of 61265986 is 68956216.

It can be written as a sum of positive squares in 2 ways, for example, as 56535361 + 4730625 = 7519^2 + 2175^2 .

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

It is not an unprimeable number, because it can be changed into a prime (61265987) 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, 288885 + ... + 289096.

Almost surely, 2^61265986 is an apocalyptic number.

61265986 is a deficient number, since it is larger than the sum of its proper divisors (32367098).

61265986 is a wasteful number, since it uses less digits than its factorization.

61265986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578036.

The product of its digits is 155520, while the sum is 43.

The square root of 61265986 is about 7827.2591626955. The cubic root of 61265986 is about 394.2210488838.

The spelling of 61265986 in words is "sixty-one million, two hundred sixty-five thousand, nine hundred eighty-six".