61613235 has 12 divisors (see below), whose sum is σ = 106796352. Its totient is φ = 32860368.

The previous prime is 61613207. The next prime is 61613269. The reversal of 61613235 is 53231616.

61613235 is a `hidden beast` number, since 616 + 13 + 2 + 35 = 666.

61613235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61613235 - 2⁵ = 61613203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61613199 and 61613208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 684547 + ... + 684636.

It is an arithmetic number, because the mean of its divisors is an integer number (8899696).

Almost surely, 2^61613235 is an apocalyptic number.

61613235 is a deficient number, since it is larger than the sum of its proper divisors (45183117).

61613235 is a wasteful number, since it uses less digits than its factorization.

61613235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369194 (or 1369191 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 61613235 is about 7849.4098504282. The cubic root of 61613235 is about 394.9644469416.

The spelling of 61613235 in words is "sixty-one million, six hundred thirteen thousand, two hundred thirty-five".