240430525 has 12 divisors (see below), whose sum is σ = 303760692. Its totient is φ = 188714240.

The previous prime is 240430511. The next prime is 240430543. The reversal of 240430525 is 525034042.

It can be written as a sum of positive squares in 6 ways, for example, as 16957924 + 223472601 = 4118^2 + 14949^2 .

It is not a de Polignac number, because 240430525 - 2²¹ = 238333373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 240430525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89404 + ... + 92053.

It is an arithmetic number, because the mean of its divisors is an integer number (25313391).

Almost surely, 2^240430525 is an apocalyptic number.

240430525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240430525 is a deficient number, since it is larger than the sum of its proper divisors (63330167).

240430525 is a wasteful number, since it uses less digits than its factorization.

240430525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181520 (or 181515 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 240430525 is about 15505.8222935773. The cubic root of 240430525 is about 621.8178740148.

Adding to 240430525 its reverse (525034042), we get a palindrome (765464567).

The spelling of 240430525 in words is "two hundred forty million, four hundred thirty thousand, five hundred twenty-five".