651132441 has 12 divisors (see below), whose sum is σ = 943224100. Its totient is φ = 432842400.

The previous prime is 651132431. The next prime is 651132467. The reversal of 651132441 is 144231156.

It is a happy number.

651132441 is a `hidden beast` number, since 651 + 1 + 3 + 2 + 4 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 213276816 + 437855625 = 14604^2 + 20925^2 .

It is not a de Polignac number, because 651132441 - 2¹⁰ = 651131417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (651132431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100510 + ... + 106791.

Almost surely, 2^651132441 is an apocalyptic number.

It is an amenable number.

651132441 is a deficient number, since it is larger than the sum of its proper divisors (292091659).

651132441 is a wasteful number, since it uses less digits than its factorization.

651132441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207656 (or 207653 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 651132441 is about 25517.2968983786. The cubic root of 651132441 is about 866.7418722871.

Adding to 651132441 its reverse (144231156), we get a palindrome (795363597).

The spelling of 651132441 in words is "six hundred fifty-one million, one hundred thirty-two thousand, four hundred forty-one".