216250532 has 6 divisors (see below), whose sum is σ = 378438438. Its totient is φ = 108125264.

The previous prime is 216250511. The next prime is 216250543. The reversal of 216250532 is 235052612.

216250532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 204375616 + 11874916 = 14296^2 + 3446^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27031313 + ... + 27031320.

It is an arithmetic number, because the mean of its divisors is an integer number (63073073).

Almost surely, 2^216250532 is an apocalyptic number.

It is an amenable number.

216250532 is a deficient number, since it is larger than the sum of its proper divisors (162187906).

216250532 is a wasteful number, since it uses less digits than its factorization.

216250532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54062637 (or 54062635 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 216250532 is about 14705.4592583843. The cubic root of 216250532 is about 600.2318844452.

The spelling of 216250532 in words is "two hundred sixteen million, two hundred fifty thousand, five hundred thirty-two".