610605133 has 4 divisors (see below), whose sum is σ = 646523100. Its totient is φ = 574687168.

The previous prime is 610605113. The next prime is 610605137. The reversal of 610605133 is 331506016.

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 255584169 + 355020964 = 15987^2 + 18842^2 .

It is a cyclic number.

It is not a de Polignac number, because 610605133 - 2¹⁷ = 610474061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 610605098 and 610605107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610605137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17958958 + ... + 17958991.

It is an arithmetic number, because the mean of its divisors is an integer number (161630775).

Almost surely, 2^610605133 is an apocalyptic number.

It is an amenable number.

610605133 is a deficient number, since it is larger than the sum of its proper divisors (35917967).

610605133 is a wasteful number, since it uses less digits than its factorization.

610605133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35917966.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 610605133 is about 24710.4255932592. The cubic root of 610605133 is about 848.3729581458.

The spelling of 610605133 in words is "six hundred ten million, six hundred five thousand, one hundred thirty-three".