213125476 has 12 divisors (see below), whose sum is σ = 383050108. Its totient is φ = 103682592.

The previous prime is 213125443. The next prime is 213125519. The reversal of 213125476 is 674521312.

213125476 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 125216100 + 87909376 = 11190^2 + 9376^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719871 + ... + 720166.

Almost surely, 2^213125476 is an apocalyptic number.

It is an amenable number.

213125476 is a deficient number, since it is larger than the sum of its proper divisors (169924632).

213125476 is a wasteful number, since it uses less digits than its factorization.

213125476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440078 (or 1440076 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 213125476 is about 14598.8176233557. The cubic root of 213125476 is about 597.3265088052.

Adding to 213125476 its reverse (674521312), we get a palindrome (887646788).

The spelling of 213125476 in words is "two hundred thirteen million, one hundred twenty-five thousand, four hundred seventy-six".