61654484 has 6 divisors (see below), whose sum is σ = 107895354. Its totient is φ = 30827240.

The previous prime is 61654409. The next prime is 61654501. The reversal of 61654484 is 48445616.

It can be written as a sum of positive squares in only one way, i.e., 43930384 + 17724100 = 6628^2 + 4210^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7706807 + ... + 7706814.

It is an arithmetic number, because the mean of its divisors is an integer number (17982559).

Almost surely, 2^61654484 is an apocalyptic number.

It is an amenable number.

61654484 is a deficient number, since it is larger than the sum of its proper divisors (46240870).

61654484 is a wasteful number, since it uses less digits than its factorization.

61654484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15413625 (or 15413623 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 61654484 is about 7852.0369331785. The cubic root of 61654484 is about 395.0525679116.

The spelling of 61654484 in words is "sixty-one million, six hundred fifty-four thousand, four hundred eighty-four".