612234451 has 4 divisors (see below), whose sum is σ = 612323712. Its totient is φ = 612145192.

The previous prime is 612234439. The next prime is 612234461. The reversal of 612234451 is 154432216.

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 612234451 - 2⁹ = 612233939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612234461) 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, 33400 + ... + 48373.

It is an arithmetic number, because the mean of its divisors is an integer number (153080928).

Almost surely, 2^612234451 is an apocalyptic number.

612234451 is a deficient number, since it is larger than the sum of its proper divisors (89261).

612234451 is an equidigital number, since it uses as much as digits as its factorization.

612234451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89260.

The product of its digits is 5760, while the sum is 28.

The square root of 612234451 is about 24743.3718599547. The cubic root of 612234451 is about 849.1268778282.

Adding to 612234451 its reverse (154432216), we get a palindrome (766666667).

The spelling of 612234451 in words is "six hundred twelve million, two hundred thirty-four thousand, four hundred fifty-one".