213463825 has 12 divisors (see below), whose sum is σ = 270852208. Its totient is φ = 166798800.

The previous prime is 213463819. The next prime is 213463853. The reversal of 213463825 is 528364312.

It is not a de Polignac number, because 213463825 - 2⁷ = 213463697 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98211 + ... + 100360.

Almost surely, 2^213463825 is an apocalyptic number.

213463825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213463825 is a deficient number, since it is larger than the sum of its proper divisors (57388383).

213463825 is a wasteful number, since it uses less digits than its factorization.

213463825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198624 (or 198619 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 213463825 is about 14610.4012607457. The cubic root of 213463825 is about 597.6424384537.

The spelling of 213463825 in words is "two hundred thirteen million, four hundred sixty-three thousand, eight hundred twenty-five".