441252251 has 4 divisors (see below), whose sum is σ = 481366104. Its totient is φ = 401138400.

The previous prime is 441252191. The next prime is 441252281. The reversal of 441252251 is 152252144.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441252251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 441252251.

It is not an unprimeable number, because it can be changed into a prime (441252281) 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, 20056910 + ... + 20056931.

It is an arithmetic number, because the mean of its divisors is an integer number (120341526).

Almost surely, 2^441252251 is an apocalyptic number.

441252251 is a deficient number, since it is larger than the sum of its proper divisors (40113853).

441252251 is a wasteful number, since it uses less digits than its factorization.

441252251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40113852.

The product of its digits is 3200, while the sum is 26.

The square root of 441252251 is about 21006.0051175848. The cubic root of 441252251 is about 761.3113618982.

The spelling of 441252251 in words is "four hundred forty-one million, two hundred fifty-two thousand, two hundred fifty-one".