612132361 has 4 divisors (see below), whose sum is σ = 614391424. Its totient is φ = 609873300.

The previous prime is 612132359. The next prime is 612132383. The reversal of 612132361 is 163231216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 612132361 - 2¹ = 612132359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612132061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1129125 + ... + 1129666.

It is an arithmetic number, because the mean of its divisors is an integer number (153597856).

Almost surely, 2^612132361 is an apocalyptic number.

It is an amenable number.

612132361 is a deficient number, since it is larger than the sum of its proper divisors (2259063).

612132361 is a wasteful number, since it uses less digits than its factorization.

612132361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259062.

The product of its digits is 1296, while the sum is 25.

The square root of 612132361 is about 24741.3087972322. The cubic root of 612132361 is about 849.0796779461.

Adding to 612132361 its reverse (163231216), we get a palindrome (775363577).

The spelling of 612132361 in words is "six hundred twelve million, one hundred thirty-two thousand, three hundred sixty-one".