61283612 has 24 divisors (see below), whose sum is σ = 119481600. Its totient is φ = 27308736.

The previous prime is 61283603. The next prime is 61283639. The reversal of 61283612 is 21638216.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18812 + ... + 21827.

It is an arithmetic number, because the mean of its divisors is an integer number (4978400).

Almost surely, 2^61283612 is an apocalyptic number.

It is an amenable number.

61283612 is a deficient number, since it is larger than the sum of its proper divisors (58197988).

61283612 is a wasteful number, since it uses less digits than its factorization.

61283612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40685 (or 40683 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 61283612 is about 7828.3850186357. The cubic root of 61283612 is about 394.2588505767.

The spelling of 61283612 in words is "sixty-one million, two hundred eighty-three thousand, six hundred twelve".