213451350 has 144 divisors (see below), whose sum is σ = 623652048. Its totient is φ = 48168960.

The previous prime is 213451331. The next prime is 213451351. The reversal of 213451350 is 53154312.

It is a super-2 number, since 2×213451350² = 91122957633645000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213451350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213451351) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 830422 + ... + 830678.

It is an arithmetic number, because the mean of its divisors is an integer number (4330917).

Almost surely, 2^213451350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213451350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311826024).

213451350 is an abundant number, since it is smaller than the sum of its proper divisors (410200698).

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

213451350 is a wasteful number, since it uses less digits than its factorization.

213451350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 213451350 is about 14609.9743326263. The cubic root of 213451350 is about 597.6307959897.

The spelling of 213451350 in words is "two hundred thirteen million, four hundred fifty-one thousand, three hundred fifty".