243791925 has 24 divisors (see below), whose sum is σ = 434076384. Its totient is φ = 120020160.

The previous prime is 243791887. The next prime is 243791957. The reversal of 243791925 is 529197342.

It is not a de Polignac number, because 243791925 - 2¹² = 243787829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124047 + ... + 125996.

It is an arithmetic number, because the mean of its divisors is an integer number (18086516).

Almost surely, 2^243791925 is an apocalyptic number.

243791925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243791925 is a deficient number, since it is larger than the sum of its proper divisors (190284459).

243791925 is a wasteful number, since it uses less digits than its factorization.

243791925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250069 (or 250064 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 243791925 is about 15613.8376128356. The cubic root of 243791925 is about 624.7023008896.

The spelling of 243791925 in words is "two hundred forty-three million, seven hundred ninety-one thousand, nine hundred twenty-five".