612625100473 has 4 divisors (see below), whose sum is σ = 612626877220. Its totient is φ = 612623323728.

The previous prime is 612625100449. The next prime is 612625100497. The reversal of 612625100473 is 374001526216.

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

It is an interprime number because it is at equal distance from previous prime (612625100449) and next prime (612625100497).

It can be written as a sum of positive squares in 2 ways, for example, as 107156713104 + 505468387369 = 327348^2 + 710963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612625100473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612625100173) 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, 186138 + ... + 1122451.

It is an arithmetic number, because the mean of its divisors is an integer number (153156719305).

Almost surely, 2^612625100473 is an apocalyptic number.

It is an amenable number.

612625100473 is a deficient number, since it is larger than the sum of its proper divisors (1776747).

612625100473 is a wasteful number, since it uses less digits than its factorization.

612625100473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776746.

The product of its (nonzero) digits is 60480, while the sum is 37.

Adding to 612625100473 its reverse (374001526216), we get a palindrome (986626626689).

The spelling of 612625100473 in words is "six hundred twelve billion, six hundred twenty-five million, one hundred thousand, four hundred seventy-three".