1481530 has 8 divisors (see below), whose sum is σ = 2666772. Its totient is φ = 592608.

The previous prime is 1481527. The next prime is 1481537. The reversal of 1481530 is 351841.

It can be written as a sum of positive squares in 2 ways, for example, as 1481089 + 441 = 1217^2 + 21^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1481530² = 4389862281800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1481537) 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, 74067 + ... + 74086.

2^1481530 is an apocalyptic number.

1481530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1481530 is a deficient number, since it is larger than the sum of its proper divisors (1185242).

1481530 is a wasteful number, since it uses less digits than its factorization.

1481530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148160.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1481530 is about 1217.1811697525. The cubic root of 1481530 is about 113.9996409140. Note that the first 3 decimals are identical.

The spelling of 1481530 in words is "one million, four hundred eighty-one thousand, five hundred thirty".