243152425 has 6 divisors (see below), whose sum is σ = 301509038. Its totient is φ = 194521920.

The previous prime is 243152353. The next prime is 243152461. The reversal of 243152425 is 524251342.

It can be written as a sum of positive squares in 3 ways, for example, as 78004224 + 165148201 = 8832^2 + 12851^2 .

It is not a de Polignac number, because 243152425 - 2¹³ = 243144233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243152393 and 243152402.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4863024 + ... + 4863073.

Almost surely, 2^243152425 is an apocalyptic number.

243152425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243152425 is a deficient number, since it is larger than the sum of its proper divisors (58356613).

243152425 is an equidigital number, since it uses as much as digits as its factorization.

243152425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9726107 (or 9726102 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 243152425 is about 15593.3455358368. The cubic root of 243152425 is about 624.1555956839.

The spelling of 243152425 in words is "two hundred forty-three million, one hundred fifty-two thousand, four hundred twenty-five".