1525227 has 8 divisors (see below), whose sum is σ = 2218560. Its totient is φ = 924360.

The previous prime is 1525219. The next prime is 1525229. The reversal of 1525227 is 7225251.

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

It is not a de Polignac number, because 1525227 - 2³ = 1525219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1525197 and 1525206.

It is not an unprimeable number, because it can be changed into a prime (1525229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23077 + ... + 23142.

It is an arithmetic number, because the mean of its divisors is an integer number (277320).

2^1525227 is an apocalyptic number.

1525227 is a deficient number, since it is larger than the sum of its proper divisors (693333).

1525227 is a wasteful number, since it uses less digits than its factorization.

1525227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46233.

The product of its digits is 1400, while the sum is 24.

The square root of 1525227 is about 1235.0008097163. Note that the first 3 decimals coincide. The cubic root of 1525227 is about 115.1095867798.

Adding to 1525227 its sum of digits (24), we get a palindrome (1525251).

The spelling of 1525227 in words is "one million, five hundred twenty-five thousand, two hundred twenty-seven".