1504481 has 8 divisors (see below), whose sum is σ = 1651104. Its totient is φ = 1359520.

The previous prime is 1504471. The next prime is 1504487. The reversal of 1504481 is 1844051.

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 1504481 - 2⁶ = 1504417 is a prime.

It is a super-2 number, since 2×1504481² = 4526926158722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1504487) 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, 2270 + ... + 2856.

It is an arithmetic number, because the mean of its divisors is an integer number (206388).

2^1504481 is an apocalyptic number.

1504481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1504481 is a deficient number, since it is larger than the sum of its proper divisors (146623).

1504481 is a wasteful number, since it uses less digits than its factorization.

1504481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1504481 is about 1226.5728677906. The cubic root of 1504481 is about 114.5852990370.

The spelling of 1504481 in words is "one million, five hundred four thousand, four hundred eighty-one".