610646045 has 4 divisors (see below), whose sum is σ = 732775260. Its totient is φ = 488516832.

The previous prime is 610646009. The next prime is 610646059. The reversal of 610646045 is 540646016.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 316626436 + 294019609 = 17794^2 + 17147^2 .

It is a cyclic number.

It is not a de Polignac number, because 610646045 - 2¹² = 610641949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61064600 + ... + 61064609.

It is an arithmetic number, because the mean of its divisors is an integer number (183193815).

Almost surely, 2^610646045 is an apocalyptic number.

It is an amenable number.

610646045 is a deficient number, since it is larger than the sum of its proper divisors (122129215).

610646045 is a wasteful number, since it uses less digits than its factorization.

610646045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122129214.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 610646045 is about 24711.2534081135. The cubic root of 610646045 is about 848.3919053930.

The spelling of 610646045 in words is "six hundred ten million, six hundred forty-six thousand, forty-five".