1479531 has 4 divisors (see below), whose sum is σ = 1972712. Its totient is φ = 986352.

The previous prime is 1479497. The next prime is 1479539. The reversal of 1479531 is 1359741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1359741 = 3 ⋅453247.

It is not a de Polignac number, because 1479531 - 2¹³ = 1471339 is a prime.

It is a super-2 number, since 2×1479531² = 4378023959922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1479539) 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, 246586 + ... + 246591.

It is an arithmetic number, because the mean of its divisors is an integer number (493178).

2^1479531 is an apocalyptic number.

1479531 is a deficient number, since it is larger than the sum of its proper divisors (493181).

1479531 is an equidigital number, since it uses as much as digits as its factorization.

1479531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493180.

The product of its digits is 3780, while the sum is 30.

The square root of 1479531 is about 1216.3597329738. The cubic root of 1479531 is about 113.9483453271.

The spelling of 1479531 in words is "one million, four hundred seventy-nine thousand, five hundred thirty-one".