612490363 has 4 divisors (see below), whose sum is σ = 618214680. Its totient is φ = 606766048.

The previous prime is 612490357. The next prime is 612490381. The reversal of 612490363 is 363094216.

It is a happy number.

612490363 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 a de Polignac number, because none of the positive numbers 2^k-612490363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612490303) 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, 2861998 + ... + 2862211.

It is an arithmetic number, because the mean of its divisors is an integer number (154553670).

Almost surely, 2^612490363 is an apocalyptic number.

612490363 is a deficient number, since it is larger than the sum of its proper divisors (5724317).

612490363 is a wasteful number, since it uses less digits than its factorization.

612490363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5724316.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 612490363 is about 24748.5426439619. The cubic root of 612490363 is about 849.2451721010.

The spelling of 612490363 in words is "six hundred twelve million, four hundred ninety thousand, three hundred sixty-three".