61354785 has 16 divisors (see below), whose sum is σ = 103942656. Its totient is φ = 30797568.

The previous prime is 61354759. The next prime is 61354789. The reversal of 61354785 is 58745316.

It is not a de Polignac number, because 61354785 - 2⁹ = 61354273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61354789) by changing a digit.

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, 120049 + ... + 120558.

It is an arithmetic number, because the mean of its divisors is an integer number (6496416).

Almost surely, 2^61354785 is an apocalyptic number.

It is an amenable number.

61354785 is a deficient number, since it is larger than the sum of its proper divisors (42587871).

61354785 is a wasteful number, since it uses less digits than its factorization.

61354785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240632.

The product of its digits is 100800, while the sum is 39.

The square root of 61354785 is about 7832.9295285991. The cubic root of 61354785 is about 394.4114184403.

The spelling of 61354785 in words is "sixty-one million, three hundred fifty-four thousand, seven hundred eighty-five".