1504240231 has 4 divisors (see below), whose sum is σ = 1619951032. Its totient is φ = 1388529432.

The previous prime is 1504240229. The next prime is 1504240259. The reversal of 1504240231 is 1320424051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1504240231 - 2¹ = 1504240229 is a prime.

It is a super-2 number, since 2×1504240231² = 4525477345117866722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1504240201) 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, 57855381 + ... + 57855406.

It is an arithmetic number, because the mean of its divisors is an integer number (404987758).

Almost surely, 2^1504240231 is an apocalyptic number.

1504240231 is a deficient number, since it is larger than the sum of its proper divisors (115710801).

1504240231 is a wasteful number, since it uses less digits than its factorization.

1504240231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115710800.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1504240231 is about 38784.5359776290. The cubic root of 1504240231 is about 1145.7918617377.

Adding to 1504240231 its reverse (1320424051), we get a palindrome (2824664282).

The spelling of 1504240231 in words is "one billion, five hundred four million, two hundred forty thousand, two hundred thirty-one".