213015429 has 24 divisors (see below), whose sum is σ = 341359200. Its totient is φ = 126908640.

The previous prime is 213015391. The next prime is 213015431. The reversal of 213015429 is 924510312.

213015429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213015429 - 2⁹ = 213014917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213015529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12394 + ... + 24075.

It is an arithmetic number, because the mean of its divisors is an integer number (14223300).

Almost surely, 2^213015429 is an apocalyptic number.

It is an amenable number.

213015429 is a deficient number, since it is larger than the sum of its proper divisors (128343771).

213015429 is a wasteful number, since it uses less digits than its factorization.

213015429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36545 (or 36542 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 213015429 is about 14595.0480985847. The cubic root of 213015429 is about 597.2236815745.

It can be divided in two parts, 213015 and 429, that added together give a square (213444 = 462²).

The spelling of 213015429 in words is "two hundred thirteen million, fifteen thousand, four hundred twenty-nine".