611481 has 8 divisors (see below), whose sum is σ = 878080. Its totient is φ = 376272.

The previous prime is 611467. The next prime is 611483. The reversal of 611481 is 184116.

611481 = T₃₈ + T₃₉ + ... + T₁₅₄.

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

It is not a de Polignac number, because 611481 - 2⁵ = 611449 is a prime.

It is a super-2 number, since 2×611481² = 747818026722, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 611481.

It is not an unprimeable number, because it can be changed into a prime (611483) 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, 7801 + ... + 7878.

It is an arithmetic number, because the mean of its divisors is an integer number (109760).

2⁶¹¹⁴⁸¹ is an apocalyptic number.

It is an amenable number.

611481 is a deficient number, since it is larger than the sum of its proper divisors (266599).

611481 is a wasteful number, since it uses less digits than its factorization.

611481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15695.

The product of its digits is 192, while the sum is 21.

The square root of 611481 is about 781.9725059105. The cubic root of 611481 is about 84.8778406682.

Adding to 611481 its reverse (184116), we get a palindrome (795597).

It can be divided in two parts, 6 and 11481, that multiplied together give a palindrome (68886).

The spelling of 611481 in words is "six hundred eleven thousand, four hundred eighty-one".