612066451 has 4 divisors (see below), whose sum is σ = 612805600. Its totient is φ = 611327304.

The previous prime is 612066443. The next prime is 612066509. The reversal of 612066451 is 154660216.

612066451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 612066451 - 2³ = 612066443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612060451) 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, 368331 + ... + 369988.

It is an arithmetic number, because the mean of its divisors is an integer number (153201400).

Almost surely, 2^612066451 is an apocalyptic number.

612066451 is a deficient number, since it is larger than the sum of its proper divisors (739149).

612066451 is an equidigital number, since it uses as much as digits as its factorization.

612066451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739148.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 612066451 is about 24739.9767784855. The cubic root of 612066451 is about 849.0492025926.

The spelling of 612066451 in words is "six hundred twelve million, sixty-six thousand, four hundred fifty-one".