5661274 has 4 divisors (see below), whose sum is σ = 8491914. Its totient is φ = 2830636.

The previous prime is 5661247. The next prime is 5661277. The reversal of 5661274 is 4721665.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 4950625 + 710649 = 2225^2 + 843^2 .

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 not an unprimeable number, because it can be changed into a prime (5661277) 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, 1415317 + ... + 1415320.

Almost surely, 2^5661274 is an apocalyptic number.

5661274 is a deficient number, since it is larger than the sum of its proper divisors (2830640).

5661274 is a wasteful number, since it uses less digits than its factorization.

5661274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830639.

The product of its digits is 10080, while the sum is 31.

The square root of 5661274 is about 2379.3431866799. The cubic root of 5661274 is about 178.2261360204.

The spelling of 5661274 in words is "five million, six hundred sixty-one thousand, two hundred seventy-four".