213241325 has 36 divisors (see below), whose sum is σ = 293145300. Its totient is φ = 153753600.

The previous prime is 213241291. The next prime is 213241337. The reversal of 213241325 is 523142312.

It can be written as a sum of positive squares in 6 ways, for example, as 7806436 + 205434889 = 2794^2 + 14333^2 .

It is not a de Polignac number, because 213241325 - 2⁸ = 213241069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213241325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 474701 + ... + 475149.

It is an arithmetic number, because the mean of its divisors is an integer number (8142925).

Almost surely, 2^213241325 is an apocalyptic number.

213241325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213241325 is a deficient number, since it is larger than the sum of its proper divisors (79903975).

213241325 is a wasteful number, since it uses less digits than its factorization.

213241325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 622 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 213241325 is about 14602.7848371466. The cubic root of 213241325 is about 597.4347191507.

Adding to 213241325 its reverse (523142312), we get a palindrome (736383637).

The spelling of 213241325 in words is "two hundred thirteen million, two hundred forty-one thousand, three hundred twenty-five".