213025356 has 96 divisors (see below), whose sum is σ = 580608000. Its totient is φ = 67415040.

The previous prime is 213025343. The next prime is 213025369. The reversal of 213025356 is 653520312.

213025356 is a `hidden beast` number, since 2 + 1 + 302 + 5 + 356 = 666.

It is an interprime number because it is at equal distance from previous prime (213025343) and next prime (213025369).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474220 + ... + 474668.

It is an arithmetic number, because the mean of its divisors is an integer number (6048000).

Almost surely, 2^213025356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213025356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290304000).

213025356 is an abundant number, since it is smaller than the sum of its proper divisors (367582644).

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

213025356 is a wasteful number, since it uses less digits than its factorization.

213025356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 213025356 is about 14595.3881757218. The cubic root of 213025356 is about 597.2329587545.

Adding to 213025356 its reverse (653520312), we get a palindrome (866545668).

The spelling of 213025356 in words is "two hundred thirteen million, twenty-five thousand, three hundred fifty-six".