618242452 has 6 divisors (see below), whose sum is σ = 1081924298. Its totient is φ = 309121224.

The previous prime is 618242447. The next prime is 618242453. The reversal of 618242452 is 254242816.

It can be written as a sum of positive squares in only one way, i.e., 527345296 + 90897156 = 22964^2 + 9534^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618242453) 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 as a sum of consecutive naturals, namely, 77280303 + ... + 77280310.

Almost surely, 2^618242452 is an apocalyptic number.

It is an amenable number.

618242452 is a deficient number, since it is larger than the sum of its proper divisors (463681846).

618242452 is a wasteful number, since it uses less digits than its factorization.

618242452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154560617 (or 154560615 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 618242452 is about 24864.4817360025. The cubic root of 618242452 is about 851.8954021637.

The spelling of 618242452 in words is "six hundred eighteen million, two hundred forty-two thousand, four hundred fifty-two".