5661234 has 12 divisors (see below), whose sum is σ = 12266046. Its totient is φ = 1887072.

The previous prime is 5661217. The next prime is 5661247. The reversal of 5661234 is 4321665.

It can be written as a sum of positive squares in only one way, i.e., 5076009 + 585225 = 2253^2 + 765^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5661198 and 5661207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157239 + ... + 157274.

Almost surely, 2^5661234 is an apocalyptic number.

5661234 is an abundant number, since it is smaller than the sum of its proper divisors (6604812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5661234 is a wasteful number, since it uses less digits than its factorization.

5661234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314521 (or 314518 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 5661234 is about 2379.3347809840. The cubic root of 5661234 is about 178.2257162643.

Adding to 5661234 its reverse (4321665), we get a palindrome (9982899).

The spelling of 5661234 in words is "five million, six hundred sixty-one thousand, two hundred thirty-four".