1525506 has 16 divisors (see below), whose sum is σ = 3094848. Its totient is φ = 501200.

The previous prime is 1525501. The next prime is 1525507. The reversal of 1525506 is 6055251.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1525501) 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, 1365 + ... + 2216.

It is an arithmetic number, because the mean of its divisors is an integer number (193428).

2^1525506 is an apocalyptic number.

1525506 is an abundant number, since it is smaller than the sum of its proper divisors (1569342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1525506 is a wasteful number, since it uses less digits than its factorization.

1525506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1525506 is about 1235.1137599428. The cubic root of 1525506 is about 115.1166051049.

The spelling of 1525506 in words is "one million, five hundred twenty-five thousand, five hundred six".