61456995 has 16 divisors (see below), whose sum is σ = 109257120. Its totient is φ = 32776992.

The previous prime is 61456981. The next prime is 61456999. The reversal of 61456995 is 59965416.

It is a happy number.

61456995 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 61456995 - 2⁴ = 61456979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 61456995.

It is not an unprimeable number, because it can be changed into a prime (61456999) 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 15 ways as a sum of consecutive naturals, for example, 227484 + ... + 227753.

It is an arithmetic number, because the mean of its divisors is an integer number (6828570).

Almost surely, 2^61456995 is an apocalyptic number.

61456995 is a deficient number, since it is larger than the sum of its proper divisors (47800125).

61456995 is a wasteful number, since it uses less digits than its factorization.

61456995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455251 (or 455245 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 61456995 is about 7839.4511925262. The cubic root of 61456995 is about 394.6303115893.

The spelling of 61456995 in words is "sixty-one million, four hundred fifty-six thousand, nine hundred ninety-five".