243050725 has 12 divisors (see below), whose sum is σ = 302050980. Its totient is φ = 194009600.

The previous prime is 243050681. The next prime is 243050761. The reversal of 243050725 is 527050342.

It can be written as a sum of positive squares in 6 ways, for example, as 2614689 + 240436036 = 1617^2 + 15506^2 .

It is not a de Polignac number, because 243050725 - 2⁷ = 243050597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243050693 and 243050702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 981 + ... + 22069.

It is an arithmetic number, because the mean of its divisors is an integer number (25170915).

Almost surely, 2^243050725 is an apocalyptic number.

243050725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243050725 is a deficient number, since it is larger than the sum of its proper divisors (59000255).

243050725 is a wasteful number, since it uses less digits than its factorization.

243050725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21560 (or 21555 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 243050725 is about 15590.0841883551. The cubic root of 243050725 is about 624.0685645744.

The spelling of 243050725 in words is "two hundred forty-three million, fifty thousand, seven hundred twenty-five".