241531225 has 12 divisors (see below), whose sum is σ = 322537516. Its totient is φ = 178361280.

The previous prime is 241531217. The next prime is 241531237. The reversal of 241531225 is 522135142.

It can be written as a sum of positive squares in 6 ways, for example, as 10004569 + 231526656 = 3163^2 + 15216^2 .

It is not a de Polignac number, because 241531225 - 2³ = 241531217 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 241531225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 371262 + ... + 371911.

Almost surely, 2^241531225 is an apocalyptic number.

241531225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

241531225 is a deficient number, since it is larger than the sum of its proper divisors (81006291).

241531225 is a wasteful number, since it uses less digits than its factorization.

241531225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743196 (or 743191 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 241531225 is about 15541.2748833550. The cubic root of 241531225 is about 622.7653315336.

Adding to 241531225 its reverse (522135142), we get a palindrome (763666367).

The spelling of 241531225 in words is "two hundred forty-one million, five hundred thirty-one thousand, two hundred twenty-five".