612125453 has 4 divisors (see below), whose sum is σ = 616593660. Its totient is φ = 607657248.

The previous prime is 612125441. The next prime is 612125471. The reversal of 612125453 is 354521216.

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

It can be written as a sum of positive squares in 2 ways, for example, as 433555684 + 178569769 = 20822^2 + 13363^2 .

It is a cyclic number.

It is not a de Polignac number, because 612125453 - 2⁶ = 612125389 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 (612125483) 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, 2233898 + ... + 2234171.

It is an arithmetic number, because the mean of its divisors is an integer number (154148415).

Almost surely, 2^612125453 is an apocalyptic number.

It is an amenable number.

612125453 is a deficient number, since it is larger than the sum of its proper divisors (4468207).

612125453 is a wasteful number, since it uses less digits than its factorization.

612125453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468206.

The product of its digits is 7200, while the sum is 29.

The square root of 612125453 is about 24741.1691922593. The cubic root of 612125453 is about 849.0764839395.

Adding to 612125453 its reverse (354521216), we get a palindrome (966646669).

The spelling of 612125453 in words is "six hundred twelve million, one hundred twenty-five thousand, four hundred fifty-three".