216026625 has 32 divisors (see below), whose sum is σ = 367855488. Its totient is φ = 112526400.

The previous prime is 216026621. The next prime is 216026627. The reversal of 216026625 is 526620612.

216026625 is nontrivially palindromic in base 11.

It is not a de Polignac number, because 216026625 - 2² = 216026621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216026592 and 216026601.

It is not an unprimeable number, because it can be changed into a prime (216026621) 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, 9427 + ... + 22823.

It is an arithmetic number, because the mean of its divisors is an integer number (11495484).

Almost surely, 2^216026625 is an apocalyptic number.

216026625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

216026625 is a deficient number, since it is larger than the sum of its proper divisors (151828863).

216026625 is a wasteful number, since it uses less digits than its factorization.

216026625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13458 (or 13448 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 216026625 is about 14697.8442296821. The cubic root of 216026625 is about 600.0246517649.

The spelling of 216026625 in words is "two hundred sixteen million, twenty-six thousand, six hundred twenty-five".