215152902 has 64 divisors (see below), whose sum is σ = 501880320. Its totient is φ = 68191200.

The previous prime is 215152897. The next prime is 215152907. The reversal of 215152902 is 209251512.

215152902 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 (215152897) and next prime (215152907).

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

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215152907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261652 + ... + 262472.

It is an arithmetic number, because the mean of its divisors is an integer number (7841880).

Almost surely, 2^215152902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215152902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250940160).

215152902 is an abundant number, since it is smaller than the sum of its proper divisors (286727418).

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

215152902 is a wasteful number, since it uses less digits than its factorization.

215152902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 215152902 is about 14668.0912868716. The cubic root of 215152902 is about 599.2146224186.

The spelling of 215152902 in words is "two hundred fifteen million, one hundred fifty-two thousand, nine hundred two".