61425412 has 12 divisors (see below), whose sum is σ = 108967516. Its totient is φ = 30291840.

The previous prime is 61425401. The next prime is 61425443. The reversal of 61425412 is 21452416.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41139396 + 20286016 = 6414^2 + 4504^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 104889 + ... + 105472.

Almost surely, 2^61425412 is an apocalyptic number.

It is an amenable number.

61425412 is a deficient number, since it is larger than the sum of its proper divisors (47542104).

61425412 is a wasteful number, since it uses less digits than its factorization.

61425412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210438 (or 210436 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 61425412 is about 7837.4365707162. The cubic root of 61425412 is about 394.5626992978.

Adding to 61425412 its reverse (21452416), we get a palindrome (82877828).

The spelling of 61425412 in words is "sixty-one million, four hundred twenty-five thousand, four hundred twelve".