1508225 has 24 divisors (see below), whose sum is σ = 2029632. Its totient is φ = 1108800.

The previous prime is 1508219. The next prime is 1508249. The reversal of 1508225 is 5228051.

It is not a de Polignac number, because 1508225 - 2¹⁸ = 1246081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1508225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24695 + ... + 24755.

It is an arithmetic number, because the mean of its divisors is an integer number (84568).

2^1508225 is an apocalyptic number.

It is an amenable number.

1508225 is a deficient number, since it is larger than the sum of its proper divisors (521407).

1508225 is a wasteful number, since it uses less digits than its factorization.

1508225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1508225 is about 1228.0981231156. The cubic root of 1508225 is about 114.6802713186.

The spelling of 1508225 in words is "one million, five hundred eight thousand, two hundred twenty-five".