611261047 has 8 divisors (see below), whose sum is σ = 621498176. Its totient is φ = 601074432.

The previous prime is 611261023. The next prime is 611261059. The reversal of 611261047 is 740162116.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611261047 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 (611261017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12178 + ... + 37024.

It is an arithmetic number, because the mean of its divisors is an integer number (77687272).

Almost surely, 2^611261047 is an apocalyptic number.

611261047 is a deficient number, since it is larger than the sum of its proper divisors (10237129).

611261047 is a wasteful number, since it uses less digits than its factorization.

611261047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25257.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 611261047 is about 24723.6940403331. The cubic root of 611261047 is about 848.6766244264.

The spelling of 611261047 in words is "six hundred eleven million, two hundred sixty-one thousand, forty-seven".