612515055 has 8 divisors (see below), whose sum is σ = 980024112. Its totient is φ = 326674688.

The previous prime is 612515053. The next prime is 612515107. The reversal of 612515055 is 550515216.

612515055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 612515055 - 2¹ = 612515053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612515053) 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, 20417154 + ... + 20417183.

It is an arithmetic number, because the mean of its divisors is an integer number (122503014).

Almost surely, 2^612515055 is an apocalyptic number.

612515055 is a deficient number, since it is larger than the sum of its proper divisors (367509057).

612515055 is a wasteful number, since it uses less digits than its factorization.

612515055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40834345.

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 612515055 is about 24749.0414965913. The cubic root of 612515055 is about 849.2565841336.

The spelling of 612515055 in words is "six hundred twelve million, five hundred fifteen thousand, fifty-five".