213880249 has 8 divisors (see below), whose sum is σ = 241369920. Its totient is φ = 187731600.

The previous prime is 213880241. The next prime is 213880259. The reversal of 213880249 is 942088312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213880249 - 2³ = 213880241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213880241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334917 + ... + 335554.

It is an arithmetic number, because the mean of its divisors is an integer number (30171240).

Almost surely, 2^213880249 is an apocalyptic number.

213880249 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

213880249 is a deficient number, since it is larger than the sum of its proper divisors (27489671).

213880249 is a wasteful number, since it uses less digits than its factorization.

213880249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670511.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 213880249 is about 14624.6452606550. The cubic root of 213880249 is about 598.0308118261.

The spelling of 213880249 in words is "two hundred thirteen million, eight hundred eighty thousand, two hundred forty-nine".