451612601 has 4 divisors (see below), whose sum is σ = 492668304. Its totient is φ = 410556900.

The previous prime is 451612583. The next prime is 451612607. The reversal of 451612601 is 106216154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 451612601 - 2¹⁴ = 451596217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451612607) 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, 20527835 + ... + 20527856.

It is an arithmetic number, because the mean of its divisors is an integer number (123167076).

Almost surely, 2^451612601 is an apocalyptic number.

It is an amenable number.

451612601 is a deficient number, since it is larger than the sum of its proper divisors (41055703).

451612601 is a wasteful number, since it uses less digits than its factorization.

451612601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41055702.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 451612601 is about 21251.1788143623. The cubic root of 451612601 is about 767.2237125120.

Adding to 451612601 its reverse (106216154), we get a palindrome (557828755).

The spelling of 451612601 in words is "four hundred fifty-one million, six hundred twelve thousand, six hundred one".