235142425 has 18 divisors (see below), whose sum is σ = 339182718. Its totient is φ = 161239680.

The previous prime is 235142389. The next prime is 235142429. The reversal of 235142425 is 524241532.

It can be written as a sum of positive squares in 3 ways, for example, as 49392784 + 185749641 = 7028^2 + 13629^2 .

It is not a de Polignac number, because 235142425 - 2²³ = 226753817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 235142393 and 235142402.

It is not an unprimeable number, because it can be changed into a prime (235142429) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 94752 + ... + 97201.

Almost surely, 2^235142425 is an apocalyptic number.

235142425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

235142425 is a deficient number, since it is larger than the sum of its proper divisors (104040293).

235142425 is a wasteful number, since it uses less digits than its factorization.

235142425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191977 (or 191965 counting only the distinct ones).

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

The square root of 235142425 is about 15334.3544044084. The cubic root of 235142425 is about 617.2252215475.

Adding to 235142425 its reverse (524241532), we get a palindrome (759383957).

The spelling of 235142425 in words is "two hundred thirty-five million, one hundred forty-two thousand, four hundred twenty-five".