243025401 has 8 divisors (see below), whose sum is σ = 325180000. Its totient is φ = 161443872.

The previous prime is 243025397. The next prime is 243025439. The reversal of 243025401 is 104520342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243025401 - 2² = 243025397 is a prime.

It is a super-2 number, since 2×243025401² = 118122691062421602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243025001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142276 + ... + 143973.

It is an arithmetic number, because the mean of its divisors is an integer number (40647500).

Almost surely, 2^243025401 is an apocalyptic number.

It is an amenable number.

243025401 is a deficient number, since it is larger than the sum of its proper divisors (82154599).

243025401 is a wasteful number, since it uses less digits than its factorization.

243025401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286535.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 243025401 is about 15589.2719842846. The cubic root of 243025401 is about 624.0468894540.

Adding to 243025401 its reverse (104520342), we get a palindrome (347545743).

The spelling of 243025401 in words is "two hundred forty-three million, twenty-five thousand, four hundred one".