1500481 has 4 divisors (see below), whose sum is σ = 1502932. Its totient is φ = 1498032.

The previous prime is 1500479. The next prime is 1500491. The reversal of 1500481 is 1840051.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 518400 + 982081 = 720^2 + 991^2 .

It is a cyclic number.

It is not a de Polignac number, because 1500481 - 2¹ = 1500479 is a prime.

It is a super-2 number, since 2×1500481² = 4502886462722, 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 (1500491) 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, 595 + ... + 1831.

It is an arithmetic number, because the mean of its divisors is an integer number (375733).

2^1500481 is an apocalyptic number.

It is an amenable number.

1500481 is a deficient number, since it is larger than the sum of its proper divisors (2451).

1500481 is a wasteful number, since it uses less digits than its factorization.

1500481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1500481 is about 1224.9412230797. The cubic root of 1500481 is about 114.4836586711.

The spelling of 1500481 in words is "one million, five hundred thousand, four hundred eighty-one".