213004248 has 32 divisors (see below), whose sum is σ = 534912000. Its totient is φ = 70681248.

The previous prime is 213004243. The next prime is 213004277. The reversal of 213004248 is 842400312.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213004243) 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, 14548 + ... + 25251.

It is an arithmetic number, because the mean of its divisors is an integer number (16716000).

Almost surely, 2^213004248 is an apocalyptic number.

It is an amenable number.

213004248 is an abundant number, since it is smaller than the sum of its proper divisors (321907752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213004248 is a wasteful number, since it uses less digits than its factorization.

213004248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40031 (or 40027 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 213004248 is about 14594.6650526828. The cubic root of 213004248 is about 597.2132321361.

The spelling of 213004248 in words is "two hundred thirteen million, four thousand, two hundred forty-eight".