213050504 has 8 divisors (see below), whose sum is σ = 399469710. Its totient is φ = 106525248.

The previous prime is 213050503. The next prime is 213050521. The reversal of 213050504 is 405050312.

213050504 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 only one way, i.e., 118766404 + 94284100 = 10898^2 + 9710^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (213050503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13315649 + ... + 13315664.

Almost surely, 2^213050504 is an apocalyptic number.

It is an amenable number.

213050504 is a deficient number, since it is larger than the sum of its proper divisors (186419206).

213050504 is a wasteful number, since it uses less digits than its factorization.

213050504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26631319 (or 26631315 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 213050504 is about 14596.2496553053. The cubic root of 213050504 is about 597.2564592800.

The spelling of 213050504 in words is "two hundred thirteen million, fifty thousand, five hundred four".