61900895 has 8 divisors (see below), whose sum is σ = 84892704. Its totient is φ = 42446304.

The previous prime is 61900871. The next prime is 61900897. The reversal of 61900895 is 59800916.

61900895 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 a cyclic number.

It is not a de Polignac number, because 61900895 - 2²⁴ = 45123679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61900897) by changing a digit.

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, 884264 + ... + 884333.

It is an arithmetic number, because the mean of its divisors is an integer number (10611588).

Almost surely, 2^61900895 is an apocalyptic number.

61900895 is a deficient number, since it is larger than the sum of its proper divisors (22991809).

61900895 is a wasteful number, since it uses less digits than its factorization.

61900895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768609.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 61900895 is about 7867.7121833478. The cubic root of 61900895 is about 395.5781631015.

The spelling of 61900895 in words is "sixty-one million, nine hundred thousand, eight hundred ninety-five".