212025815 has 8 divisors (see below), whose sum is σ = 263204640. Its totient is φ = 163771552.

The previous prime is 212025791. The next prime is 212025823. The reversal of 212025815 is 518520212.

212025815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212025815 - 2¹⁶ = 211960279 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730979 + ... + 731268.

It is an arithmetic number, because the mean of its divisors is an integer number (32900580).

Almost surely, 2^212025815 is an apocalyptic number.

212025815 is a deficient number, since it is larger than the sum of its proper divisors (51178825).

212025815 is a wasteful number, since it uses less digits than its factorization.

212025815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462281.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 212025815 is about 14561.1062423155. The cubic root of 212025815 is about 596.2973972961.

The spelling of 212025815 in words is "two hundred twelve million, twenty-five thousand, eight hundred fifteen".