1504104431 has 4 divisors (see below), whose sum is σ = 1513684872. Its totient is φ = 1494523992.

The previous prime is 1504104397. The next prime is 1504104473. The reversal of 1504104431 is 1344014051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1344014051 = 1153 ⋅1165667.

It is a cyclic number.

It is not a de Polignac number, because 1504104431 - 2⁶ = 1504104367 is a prime.

It is a super-2 number, since 2×1504104431² = 4524660278707667522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1504104397 and 1504104406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1504104491) 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, 4789985 + ... + 4790298.

It is an arithmetic number, because the mean of its divisors is an integer number (378421218).

Almost surely, 2^1504104431 is an apocalyptic number.

1504104431 is a deficient number, since it is larger than the sum of its proper divisors (9580441).

1504104431 is an equidigital number, since it uses as much as digits as its factorization.

1504104431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9580440.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1504104431 is about 38782.7852403615. The cubic root of 1504104431 is about 1145.7573807166.

Adding to 1504104431 its reverse (1344014051), we get a palindrome (2848118482).

The spelling of 1504104431 in words is "one billion, five hundred four million, one hundred four thousand, four hundred thirty-one".