612013156 has 6 divisors (see below), whose sum is σ = 1071023030. Its totient is φ = 306006576.

The previous prime is 612013153. The next prime is 612013201. The reversal of 612013156 is 651310216.

It can be written as a sum of positive squares in only one way, i.e., 597313600 + 14699556 = 24440^2 + 3834^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 612013156.

It is not an unprimeable number, because it can be changed into a prime (612013151) 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, 76501641 + ... + 76501648.

Almost surely, 2^612013156 is an apocalyptic number.

It is an amenable number.

612013156 is a deficient number, since it is larger than the sum of its proper divisors (459009874).

612013156 is a wasteful number, since it uses less digits than its factorization.

612013156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153003293 (or 153003291 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 612013156 is about 24738.8996521672. The cubic root of 612013156 is about 849.0245585415.

The spelling of 612013156 in words is "six hundred twelve million, thirteen thousand, one hundred fifty-six".