61225443 has 16 divisors (see below), whose sum is σ = 92636160. Its totient is φ = 39947688.

The previous prime is 61225427. The next prime is 61225459. The reversal of 61225443 is 34452216.

61225443 is a `hidden beast` number, since 612 + 2 + 5 + 4 + 43 = 666.

It is an interprime number because it is at equal distance from previous prime (61225427) and next prime (61225459).

It is not a de Polignac number, because 61225443 - 2⁴ = 61225427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (61225243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22855 + ... + 25392.

It is an arithmetic number, because the mean of its divisors is an integer number (5789760).

Almost surely, 2^61225443 is an apocalyptic number.

61225443 is a deficient number, since it is larger than the sum of its proper divisors (31410717).

61225443 is a wasteful number, since it uses less digits than its factorization.

61225443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48303 (or 48297 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 61225443 is about 7824.6688747831. The cubic root of 61225443 is about 394.1340706005.

Adding to 61225443 its reverse (34452216), we get a palindrome (95677659).

It can be divided in two parts, 6 and 1225443, that added together give a square (1225449 = 1107²).

The spelling of 61225443 in words is "sixty-one million, two hundred twenty-five thousand, four hundred forty-three".