61148956 has 12 divisors (see below), whose sum is σ = 116739000. Its totient is φ = 27794960.

The previous prime is 61148953. The next prime is 61148959. The reversal of 61148956 is 65984116.

61148956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61148953) and next prime (61148959).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61148951) 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 3 ways as a sum of consecutive naturals, for example, 694831 + ... + 694918.

It is an arithmetic number, because the mean of its divisors is an integer number (9728250).

Almost surely, 2^61148956 is an apocalyptic number.

It is an amenable number.

61148956 is a deficient number, since it is larger than the sum of its proper divisors (55590044).

61148956 is a wasteful number, since it uses less digits than its factorization.

61148956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389764 (or 1389762 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 61148956 is about 7819.7797922959. The cubic root of 61148956 is about 393.9698758179.

The spelling of 61148956 in words is "sixty-one million, one hundred forty-eight thousand, nine hundred fifty-six".