242631725 has 24 divisors (see below), whose sum is σ = 346073088. Its totient is φ = 165297600.

The previous prime is 242631713. The next prime is 242631733. The reversal of 242631725 is 527136242.

242631725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242631725 - 2⁸ = 242631469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242631691 and 242631700.

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, 23060 + ... + 31890.

It is an arithmetic number, because the mean of its divisors is an integer number (14419712).

Almost surely, 2^242631725 is an apocalyptic number.

242631725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242631725 is a deficient number, since it is larger than the sum of its proper divisors (103441363).

242631725 is a wasteful number, since it uses less digits than its factorization.

242631725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9005 (or 9000 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 242631725 is about 15576.6403630565. The cubic root of 242631725 is about 623.7097435475.

Adding to 242631725 its reverse (527136242), we get a palindrome (769767967).

The spelling of 242631725 in words is "two hundred forty-two million, six hundred thirty-one thousand, seven hundred twenty-five".