524404441 has 12 divisors (see below), whose sum is σ = 591995236. Its totient is φ = 463842720.

The previous prime is 524404429. The next prime is 524404453. The reversal of 524404441 is 144404425.

It is an interprime number because it is at equal distance from previous prime (524404429) and next prime (524404453).

It can be written as a sum of positive squares in 2 ways, for example, as 503060041 + 21344400 = 22429^2 + 4620^2 .

It is not a de Polignac number, because 524404441 - 2⁵ = 524404409 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (524404421) 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, 54090 + ... + 63043.

Almost surely, 2^524404441 is an apocalyptic number.

524404441 is the 12241-st centered heptagonal number.

It is an amenable number.

524404441 is a deficient number, since it is larger than the sum of its proper divisors (67590795).

524404441 is a wasteful number, since it uses less digits than its factorization.

524404441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117192 (or 117181 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 524404441 is about 22899.8786241325. The cubic root of 524404441 is about 806.4091625282.

Adding to 524404441 its reverse (144404425), we get a palindrome (668808866).

The spelling of 524404441 in words is "five hundred twenty-four million, four hundred four thousand, four hundred forty-one".