61225782 has 16 divisors (see below), whose sum is σ = 122534640. Its totient is φ = 20394752.

The previous prime is 61225777. The next prime is 61225783. The reversal of 61225782 is 28752216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61225783) 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, 10378 + ... + 15170.

It is an arithmetic number, because the mean of its divisors is an integer number (7658415).

Almost surely, 2^61225782 is an apocalyptic number.

61225782 is an abundant number, since it is smaller than the sum of its proper divisors (61308858).

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

61225782 is a wasteful number, since it uses less digits than its factorization.

61225782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6927.

The product of its digits is 13440, while the sum is 33.

The square root of 61225782 is about 7824.6905370117. The cubic root of 61225782 is about 394.1347980280.

Adding to 61225782 its reverse (28752216), we get a palindrome (89977998).

The spelling of 61225782 in words is "sixty-one million, two hundred twenty-five thousand, seven hundred eighty-two".