610914985 has 16 divisors (see below), whose sum is σ = 757509120. Its totient is φ = 472489920.

The previous prime is 610914973. The next prime is 610915003. The reversal of 610914985 is 589419016.

It is not a de Polignac number, because 610914985 - 2¹⁷ = 610783913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298596 + ... + 300634.

It is an arithmetic number, because the mean of its divisors is an integer number (47344320).

Almost surely, 2^610914985 is an apocalyptic number.

It is an amenable number.

610914985 is a deficient number, since it is larger than the sum of its proper divisors (146594135).

610914985 is a wasteful number, since it uses less digits than its factorization.

610914985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 610914985 is about 24716.6944594135. The cubic root of 610914985 is about 848.5164363620.

The spelling of 610914985 in words is "six hundred ten million, nine hundred fourteen thousand, nine hundred eighty-five".