504243151 has 8 divisors (see below), whose sum is σ = 509901840. Its totient is φ = 498594048.

The previous prime is 504243127. The next prime is 504243163. The reversal of 504243151 is 151342405.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 504243151 - 2¹⁷ = 504112079 is a prime.

It is a super-2 number, since 2×504243151² = 508522310660817602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504243121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171885 + ... + 174793.

It is an arithmetic number, because the mean of its divisors is an integer number (63737730).

Almost surely, 2^504243151 is an apocalyptic number.

504243151 is a deficient number, since it is larger than the sum of its proper divisors (5658689).

504243151 is a wasteful number, since it uses less digits than its factorization.

504243151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4793.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 504243151 is about 22455.3590708321. The cubic root of 504243151 is about 795.9393987474.

Adding to 504243151 its reverse (151342405), we get a palindrome (655585556).

The spelling of 504243151 in words is "five hundred four million, two hundred forty-three thousand, one hundred fifty-one".