1522473 has 4 divisors (see below), whose sum is σ = 2029968. Its totient is φ = 1014980.

The previous prime is 1522463. The next prime is 1522483. The reversal of 1522473 is 3742251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3742251 = 3 ⋅1247417.

It is an interprime number because it is at equal distance from previous prime (1522463) and next prime (1522483).

It is a cyclic number.

It is not a de Polignac number, because 1522473 - 2⁴ = 1522457 is a prime.

It is a D-number.

1522473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1522463) 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, 253743 + ... + 253748.

It is an arithmetic number, because the mean of its divisors is an integer number (507492).

2^1522473 is an apocalyptic number.

It is an amenable number.

1522473 is a deficient number, since it is larger than the sum of its proper divisors (507495).

1522473 is an equidigital number, since it uses as much as digits as its factorization.

1522473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507494.

The product of its digits is 1680, while the sum is 24.

The square root of 1522473 is about 1233.8853269247. The cubic root of 1522473 is about 115.0402631543.

The spelling of 1522473 in words is "one million, five hundred twenty-two thousand, four hundred seventy-three".