61456412 has 12 divisors (see below), whose sum is σ = 113209320. Its totient is φ = 29110896.

The previous prime is 61456397. The next prime is 61456427. The reversal of 61456412 is 21465416.

It is an interprime number because it is at equal distance from previous prime (61456397) and next prime (61456427).

It is a congruent number.

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, 404243 + ... + 404394.

It is an arithmetic number, because the mean of its divisors is an integer number (9434110).

Almost surely, 2^61456412 is an apocalyptic number.

It is an amenable number.

61456412 is a deficient number, since it is larger than the sum of its proper divisors (51752908).

61456412 is a wasteful number, since it uses less digits than its factorization.

61456412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808660 (or 808658 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 61456412 is about 7839.4140087126. The cubic root of 61456412 is about 394.6290637237.

The spelling of 61456412 in words is "sixty-one million, four hundred fifty-six thousand, four hundred twelve".