451215041 has 4 divisors (see below), whose sum is σ = 455432112. Its totient is φ = 446997972.

The previous prime is 451215001. The next prime is 451215043. The reversal of 451215041 is 140512154.

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, and also an emirpimes, since its reverse is a distinct semiprime: 140512154 = 2 ⋅70256077.

It is a cyclic number.

It is not a de Polignac number, because 451215041 - 2⁶ = 451214977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 451214998 and 451215016.

It is not an unprimeable number, because it can be changed into a prime (451215043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2108375 + ... + 2108588.

It is an arithmetic number, because the mean of its divisors is an integer number (113858028).

Almost surely, 2^451215041 is an apocalyptic number.

It is an amenable number.

451215041 is a deficient number, since it is larger than the sum of its proper divisors (4217071).

451215041 is a wasteful number, since it uses less digits than its factorization.

451215041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217070.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 451215041 is about 21241.8229208324. The cubic root of 451215041 is about 766.9985143328.

Adding to 451215041 its reverse (140512154), we get a palindrome (591727195).

The spelling of 451215041 in words is "four hundred fifty-one million, two hundred fifteen thousand, forty-one".