1504425 has 24 divisors (see below), whose sum is σ = 2680384. Its totient is φ = 740160.

The previous prime is 1504421. The next prime is 1504429. The reversal of 1504425 is 5244051.

It is an interprime number because it is at equal distance from previous prime (1504421) and next prime (1504429).

It is not a de Polignac number, because 1504425 - 2² = 1504421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1504421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204 + ... + 1746.

2^1504425 is an apocalyptic number.

1504425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1504425 is a deficient number, since it is larger than the sum of its proper divisors (1175959).

1504425 is a wasteful number, since it uses less digits than its factorization.

1504425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1504425 is about 1226.5500397456. The cubic root of 1504425 is about 114.5838773161.

Adding to 1504425 its reverse (5244051), we get a palindrome (6748476).

The spelling of 1504425 in words is "one million, five hundred four thousand, four hundred twenty-five".