21032894325 has 24 divisors (see below), whose sum is σ = 34982635968. Its totient is φ = 11150366080.

The previous prime is 21032894299. The next prime is 21032894327. The reversal of 21032894325 is 52349823012.

It is not a de Polignac number, because 21032894325 - 2¹⁷ = 21032763253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032894327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 827112 + ... + 852161.

It is an arithmetic number, because the mean of its divisors is an integer number (1457609832).

Almost surely, 2^21032894325 is an apocalyptic number.

21032894325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

21032894325 is a deficient number, since it is larger than the sum of its proper divisors (13949741643).

21032894325 is a wasteful number, since it uses less digits than its factorization.

21032894325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679453 (or 1679448 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 21032894325 in words is "twenty-one billion, thirty-two million, eight hundred ninety-four thousand, three hundred twenty-five".