213452403 has 16 divisors (see below), whose sum is σ = 301150080. Its totient is φ = 134106624.

The previous prime is 213452399. The next prime is 213452423. The reversal of 213452403 is 304254312.

213452403 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 213452403 - 2² = 213452399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213452423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1300 + ... + 20702.

It is an arithmetic number, because the mean of its divisors is an integer number (18821880).

Almost surely, 2^213452403 is an apocalyptic number.

213452403 is a deficient number, since it is larger than the sum of its proper divisors (87697677).

213452403 is a wasteful number, since it uses less digits than its factorization.

213452403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19618.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 213452403 is about 14610.0103696062. The cubic root of 213452403 is about 597.6317787339.

The spelling of 213452403 in words is "two hundred thirteen million, four hundred fifty-two thousand, four hundred three".