61149495 has 16 divisors (see below), whose sum is σ = 106733952. Its totient is φ = 29648160.

The previous prime is 61149469. The next prime is 61149509. The reversal of 61149495 is 59494116.

61149495 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 61149495 - 2⁵ = 61149463 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 185137 + ... + 185466.

It is an arithmetic number, because the mean of its divisors is an integer number (6670872).

Almost surely, 2^61149495 is an apocalyptic number.

61149495 is a deficient number, since it is larger than the sum of its proper divisors (45584457).

61149495 is a wasteful number, since it uses less digits than its factorization.

61149495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370622.

The product of its digits is 38880, while the sum is 39.

The square root of 61149495 is about 7819.8142561061. The cubic root of 61149495 is about 393.9710333691.

The spelling of 61149495 in words is "sixty-one million, one hundred forty-nine thousand, four hundred ninety-five".