1520485 has 8 divisors (see below), whose sum is σ = 1869336. Its totient is φ = 1186560.

The previous prime is 1520483. The next prime is 1520501. The reversal of 1520485 is 5840251.

It can be written as a sum of positive squares in 4 ways, for example, as 66049 + 1454436 = 257^2 + 1206^2 .

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

It is not a de Polignac number, because 1520485 - 2¹ = 1520483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520483) 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, 3504 + ... + 3913.

It is an arithmetic number, because the mean of its divisors is an integer number (233667).

2^1520485 is an apocalyptic number.

It is an amenable number.

1520485 is a deficient number, since it is larger than the sum of its proper divisors (348851).

1520485 is an equidigital number, since it uses as much as digits as its factorization.

1520485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7463.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1520485 is about 1233.0794783792. The cubic root of 1520485 is about 114.9901692920.

The spelling of 1520485 in words is "one million, five hundred twenty thousand, four hundred eighty-five".