61014945 has 16 divisors (see below), whose sum is σ = 99225792. Its totient is φ = 32007360.

The previous prime is 61014937. The next prime is 61014973. The reversal of 61014945 is 54941016.

It is a happy number.

It is not a de Polignac number, because 61014945 - 2³ = 61014937 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32427 + ... + 34256.

It is an arithmetic number, because the mean of its divisors is an integer number (6201612).

Almost surely, 2^61014945 is an apocalyptic number.

It is an amenable number.

61014945 is a deficient number, since it is larger than the sum of its proper divisors (38210847).

61014945 is a wasteful number, since it uses less digits than its factorization.

61014945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66752.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 61014945 is about 7811.2063728979. The cubic root of 61014945 is about 393.6818637455.

The spelling of 61014945 in words is "sixty-one million, fourteen thousand, nine hundred forty-five".