609137052 has 12 divisors (see below), whose sum is σ = 1421319816. Its totient is φ = 203045680.

The previous prime is 609137051. The next prime is 609137057. The reversal of 609137052 is 250731906.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609137051) 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, 25380699 + ... + 25380722.

It is an arithmetic number, because the mean of its divisors is an integer number (118443318).

Almost surely, 2^609137052 is an apocalyptic number.

It is an amenable number.

609137052 is an abundant number, since it is smaller than the sum of its proper divisors (812182764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

609137052 is a wasteful number, since it uses less digits than its factorization.

609137052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50761428 (or 50761426 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 609137052 is about 24680.7020159476. The cubic root of 609137052 is about 847.6924967148.

Adding to 609137052 its reverse (250731906), we get a palindrome (859868958).

The spelling of 609137052 in words is "six hundred nine million, one hundred thirty-seven thousand, fifty-two".