61909395 has 8 divisors (see below), whose sum is σ = 99055056. Its totient is φ = 33018336.

The previous prime is 61909369. The next prime is 61909409. The reversal of 61909395 is 59390916.

61909395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61909395 - 2¹¹ = 61907347 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 2063632 + ... + 2063661.

It is an arithmetic number, because the mean of its divisors is an integer number (12381882).

Almost surely, 2^61909395 is an apocalyptic number.

61909395 is a deficient number, since it is larger than the sum of its proper divisors (37145661).

61909395 is a wasteful number, since it uses less digits than its factorization.

61909395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4127301.

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 61909395 is about 7868.2523472497. The cubic root of 61909395 is about 395.5962687121.

The spelling of 61909395 in words is "sixty-one million, nine hundred nine thousand, three hundred ninety-five".