612505427 has 8 divisors (see below), whose sum is σ = 657670752. Its totient is φ = 568355200.

The previous prime is 612505423. The next prime is 612505429. The reversal of 612505427 is 724505216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612505427 - 2² = 612505423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612505393 and 612505402.

It is not an unprimeable number, because it can be changed into a prime (612505423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252524 + ... + 254937.

It is an arithmetic number, because the mean of its divisors is an integer number (82208844).

Almost surely, 2^612505427 is an apocalyptic number.

612505427 is a deficient number, since it is larger than the sum of its proper divisors (45165325).

612505427 is a wasteful number, since it uses less digits than its factorization.

612505427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507549.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 612505427 is about 24748.8469832435. The cubic root of 612505427 is about 849.2521343463.

The spelling of 612505427 in words is "six hundred twelve million, five hundred five thousand, four hundred twenty-seven".