612725303 has 4 divisors (see below), whose sum is σ = 612799008. Its totient is φ = 612651600.

The previous prime is 612725299. The next prime is 612725317. The reversal of 612725303 is 303527216.

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 612725303 - 2² = 612725299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612745303) 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, 22526 + ... + 41627.

It is an arithmetic number, because the mean of its divisors is an integer number (153199752).

Almost surely, 2^612725303 is an apocalyptic number.

612725303 is a deficient number, since it is larger than the sum of its proper divisors (73705).

612725303 is an equidigital number, since it uses as much as digits as its factorization.

612725303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73704.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 612725303 is about 24753.2887309949. The cubic root of 612725303 is about 849.3537431454.

The spelling of 612725303 in words is "six hundred twelve million, seven hundred twenty-five thousand, three hundred three".