243654125 has 64 divisors (see below), whose sum is σ = 366702336. Its totient is φ = 159264000.

The previous prime is 243654113. The next prime is 243654161. The reversal of 243654125 is 521456342.

It is not a de Polignac number, because 243654125 - 2¹⁶ = 243588589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243654091 and 243654100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 768467 + ... + 768783.

It is an arithmetic number, because the mean of its divisors is an integer number (5729724).

Almost surely, 2^243654125 is an apocalyptic number.

243654125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243654125 is a deficient number, since it is larger than the sum of its proper divisors (123048211).

243654125 is a wasteful number, since it uses less digits than its factorization.

243654125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 389 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 243654125 is about 15609.4242366591. The cubic root of 243654125 is about 624.5845772728.

The spelling of 243654125 in words is "two hundred forty-three million, six hundred fifty-four thousand, one hundred twenty-five".