213252126 has 32 divisors (see below), whose sum is σ = 437890560. Its totient is φ = 69211584.

The previous prime is 213252119. The next prime is 213252133. The reversal of 213252126 is 621252312.

It is an interprime number because it is at equal distance from previous prime (213252119) and next prime (213252133).

It is a junction number, because it is equal to n+sod(n) for n = 213252096 and 213252105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31521 + ... + 37683.

It is an arithmetic number, because the mean of its divisors is an integer number (13684080).

Almost surely, 2^213252126 is an apocalyptic number.

213252126 is an abundant number, since it is smaller than the sum of its proper divisors (224638434).

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

213252126 is a wasteful number, since it uses less digits than its factorization.

213252126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6320.

The product of its digits is 1440, while the sum is 24.

The square root of 213252126 is about 14603.1546591824. The cubic root of 213252126 is about 597.4448059752. Note that the first 3 decimals are identical.

The spelling of 213252126 in words is "two hundred thirteen million, two hundred fifty-two thousand, one hundred twenty-six".