610066505 has 8 divisors (see below), whose sum is σ = 775143432. Its totient is φ = 459344128.

The previous prime is 610066489. The next prime is 610066507. The reversal of 610066505 is 505660016.

It can be written as a sum of positive squares in 4 ways, for example, as 54804409 + 555262096 = 7403^2 + 23564^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 610066505 - 2⁴ = 610066489 is a prime.

It is a super-2 number, since 2×610066505² = 744362281045830050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (610066507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3588542 + ... + 3588711.

It is an arithmetic number, because the mean of its divisors is an integer number (96892929).

Almost surely, 2^610066505 is an apocalyptic number.

It is an amenable number.

610066505 is a deficient number, since it is larger than the sum of its proper divisors (165076927).

610066505 is a wasteful number, since it uses less digits than its factorization.

610066505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7177275.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 610066505 is about 24699.5243881335. The cubic root of 610066505 is about 848.1234287118.

The spelling of 610066505 in words is "six hundred ten million, sixty-six thousand, five hundred five".