612332201 has 4 divisors (see below), whose sum is σ = 659434692. Its totient is φ = 565229712.

The previous prime is 612332167. The next prime is 612332221. The reversal of 612332201 is 102233216.

It is a happy number.

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 317694976 + 294637225 = 17824^2 + 17165^2 .

It is a cyclic number.

It is not a de Polignac number, because 612332201 - 2²² = 608137897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612332221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23551226 + ... + 23551251.

It is an arithmetic number, because the mean of its divisors is an integer number (164858673).

Almost surely, 2^612332201 is an apocalyptic number.

It is an amenable number.

612332201 is a deficient number, since it is larger than the sum of its proper divisors (47102491).

612332201 is a wasteful number, since it uses less digits than its factorization.

612332201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47102490.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 612332201 is about 24745.3470575783. The cubic root of 612332201 is about 849.1720662552.

Adding to 612332201 its reverse (102233216), we get a palindrome (714565417).

The spelling of 612332201 in words is "six hundred twelve million, three hundred thirty-two thousand, two hundred one".