213239050 has 12 divisors (see below), whose sum is σ = 396624726. Its totient is φ = 85295600.

The previous prime is 213239027. The next prime is 213239051. The reversal of 213239050 is 50932312.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 153933649 + 59305401 = 12407^2 + 7701^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (213239051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2132341 + ... + 2132440.

Almost surely, 2^213239050 is an apocalyptic number.

213239050 is a deficient number, since it is larger than the sum of its proper divisors (183385676).

213239050 is a wasteful number, since it uses less digits than its factorization.

213239050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264793 (or 4264788 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 213239050 is about 14602.7069408381. The cubic root of 213239050 is about 597.4325945331.

The spelling of 213239050 in words is "two hundred thirteen million, two hundred thirty-nine thousand, fifty".