213526316 has 6 divisors (see below), whose sum is σ = 373671060. Its totient is φ = 106763156.

The previous prime is 213526309. The next prime is 213526331. The reversal of 213526316 is 613625312.

213526316 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26690786 + ... + 26690793.

It is an arithmetic number, because the mean of its divisors is an integer number (62278510).

Almost surely, 2^213526316 is an apocalyptic number.

It is an amenable number.

213526316 is a deficient number, since it is larger than the sum of its proper divisors (160144744).

213526316 is a wasteful number, since it uses less digits than its factorization.

213526316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53381583 (or 53381581 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 213526316 is about 14612.5396834363. The cubic root of 213526316 is about 597.7007522058.

The spelling of 213526316 in words is "two hundred thirteen million, five hundred twenty-six thousand, three hundred sixteen".