1504231 has 2 divisors, whose sum is σ = 1504232. Its totient is φ = 1504230.

The previous prime is 1504187. The next prime is 1504247. The reversal of 1504231 is 1324051.

It is an a-pointer prime, because the next prime (1504247) can be obtained adding 1504231 to its sum of digits (16).

It is a strong prime.

It is an emirp because it is prime and its reverse (1324051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1504231 - 2⁷ = 1504103 is a prime.

It is a super-2 number, since 2×1504231² = 4525421802722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1504271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 752115 + 752116.

It is an arithmetic number, because the mean of its divisors is an integer number (752116).

2^1504231 is an apocalyptic number.

1504231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1504231 is an equidigital number, since it uses as much as digits as its factorization.

1504231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1504231 is about 1226.4709535900. The cubic root of 1504231 is about 114.5789517957.

Adding to 1504231 its reverse (1324051), we get a palindrome (2828282).

The spelling of 1504231 in words is "one million, five hundred four thousand, two hundred thirty-one".