651457441 has 4 divisors (see below), whose sum is σ = 651508884. Its totient is φ = 651406000.

The previous prime is 651457381. The next prime is 651457501. The reversal of 651457441 is 144754156.

651457441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (651457381) and next prime (651457501).

It can be written as a sum of positive squares in 2 ways, for example, as 614296225 + 37161216 = 24785^2 + 6096^2 .

It is a cyclic number.

It is not a de Polignac number, because 651457441 - 2¹¹ = 651455393 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 651457441.

It is not an unprimeable number, because it can be changed into a prime (651257441) 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, 8091 + ... + 36991.

It is an arithmetic number, because the mean of its divisors is an integer number (162877221).

Almost surely, 2^651457441 is an apocalyptic number.

It is an amenable number.

651457441 is a deficient number, since it is larger than the sum of its proper divisors (51443).

651457441 is a wasteful number, since it uses less digits than its factorization.

651457441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51442.

The product of its digits is 67200, while the sum is 37.

The square root of 651457441 is about 25523.6643333202. The cubic root of 651457441 is about 866.8860540423.

The spelling of 651457441 in words is "six hundred fifty-one million, four hundred fifty-seven thousand, four hundred forty-one".