61430654 has 24 divisors (see below), whose sum is σ = 99486912. Its totient is φ = 28416960.

The previous prime is 61430653. The next prime is 61430689. The reversal of 61430654 is 45603416.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61430651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31862 + ... + 33734.

It is an arithmetic number, because the mean of its divisors is an integer number (4145288).

Almost surely, 2^61430654 is an apocalyptic number.

61430654 is a deficient number, since it is larger than the sum of its proper divisors (38056258).

61430654 is a wasteful number, since it uses less digits than its factorization.

61430654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952 (or 1929 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 61430654 is about 7837.7709841510. The cubic root of 61430654 is about 394.5739228765.

The spelling of 61430654 in words is "sixty-one million, four hundred thirty thousand, six hundred fifty-four".