1825214825 has 24 divisors (see below), whose sum is σ = 2590846080. Its totient is φ = 1249516800.

The previous prime is 1825214819. The next prime is 1825214827. The reversal of 1825214825 is 5284125281.

It is a happy number.

It is not a de Polignac number, because 1825214825 - 2⁶ = 1825214761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1825214827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102161 + ... + 118689.

It is an arithmetic number, because the mean of its divisors is an integer number (107951920).

Almost surely, 2^1825214825 is an apocalyptic number.

It is an amenable number.

1825214825 is a deficient number, since it is larger than the sum of its proper divisors (765631255).

1825214825 is a wasteful number, since it uses less digits than its factorization.

1825214825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17177 (or 17172 counting only the distinct ones).

The product of its digits is 51200, while the sum is 38.

The square root of 1825214825 is about 42722.5329890446. The cubic root of 1825214825 is about 1222.0941425092.

The spelling of 1825214825 in words is "one billion, eight hundred twenty-five million, two hundred fourteen thousand, eight hundred twenty-five".