215125432 has 16 divisors (see below), whose sum is σ = 404195760. Its totient is φ = 107339904.

The previous prime is 215125423. The next prime is 215125441. The reversal of 215125432 is 234521512.

215125432 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 (215125423) and next prime (215125441).

It is a junction number, because it is equal to n+sod(n) for n = 215125397 and 215125406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23713 + ... + 31504.

It is an arithmetic number, because the mean of its divisors is an integer number (25262235).

Almost surely, 2^215125432 is an apocalyptic number.

It is an amenable number.

215125432 is a deficient number, since it is larger than the sum of its proper divisors (189070328).

215125432 is a wasteful number, since it uses less digits than its factorization.

215125432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55710 (or 55706 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 215125432 is about 14667.1548706625. The cubic root of 215125432 is about 599.1891194297.

Adding to 215125432 its reverse (234521512), we get a palindrome (449646944).

The spelling of 215125432 in words is "two hundred fifteen million, one hundred twenty-five thousand, four hundred thirty-two".