61125646 has 8 divisors (see below), whose sum is σ = 91814760. Its totient is φ = 30520728.

The previous prime is 61125637. The next prime is 61125703. The reversal of 61125646 is 64652116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19201 + ... + 22156.

It is an arithmetic number, because the mean of its divisors is an integer number (11476845).

Almost surely, 2^61125646 is an apocalyptic number.

61125646 is a deficient number, since it is larger than the sum of its proper divisors (30689114).

61125646 is a wasteful number, since it uses less digits than its factorization.

61125646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42098.

The product of its digits is 8640, while the sum is 31.

The square root of 61125646 is about 7818.2891990512. The cubic root of 61125646 is about 393.9198089780.

The spelling of 61125646 in words is "sixty-one million, one hundred twenty-five thousand, six hundred forty-six".