213896475 has 36 divisors (see below), whose sum is σ = 412588176. Its totient is φ = 105301440.

The previous prime is 213896461. The next prime is 213896479. The reversal of 213896475 is 574698312.

It is not a de Polignac number, because 213896475 - 2⁵ = 213896443 is a prime.

It is a super-3 number, since 3×213896475³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 213896475.

It is not an unprimeable number, because it can be changed into a prime (213896479) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33639 + ... + 39488.

Almost surely, 2^213896475 is an apocalyptic number.

213896475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

213896475 is a deficient number, since it is larger than the sum of its proper divisors (198691701).

213896475 is a wasteful number, since it uses less digits than its factorization.

213896475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73156 (or 73148 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 213896475 is about 14625.1999986325. The cubic root of 213896475 is about 598.0459346228.

The spelling of 213896475 in words is "two hundred thirteen million, eight hundred ninety-six thousand, four hundred seventy-five".