215035452 has 48 divisors (see below), whose sum is σ = 561792000. Its totient is φ = 71126640.

The previous prime is 215035427. The next prime is 215035477. The reversal of 215035452 is 254530512.

It is a happy number.

215035452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (215035427) and next prime (215035477).

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6549 + ... + 21747.

It is an arithmetic number, because the mean of its divisors is an integer number (11704000).

Almost surely, 2^215035452 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 215035452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280896000).

215035452 is an abundant number, since it is smaller than the sum of its proper divisors (346756548).

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

215035452 is a wasteful number, since it uses less digits than its factorization.

215035452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15343 (or 15335 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 215035452 is about 14664.0871519505. The cubic root of 215035452 is about 599.1055673128.

Adding to 215035452 its reverse (254530512), we get a palindrome (469565964).

The spelling of 215035452 in words is "two hundred fifteen million, thirty-five thousand, four hundred fifty-two".