235220425 has 24 divisors (see below), whose sum is σ = 332032320. Its totient is φ = 163627200.

The previous prime is 235220411. The next prime is 235220429. The reversal of 235220425 is 524022532.

It is a happy number.

It is not a de Polignac number, because 235220425 - 2¹¹ = 235218377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 235220425.

It is not an unprimeable number, because it can be changed into a prime (235220429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12270 + ... + 24919.

It is an arithmetic number, because the mean of its divisors is an integer number (13834680).

Almost surely, 2^235220425 is an apocalyptic number.

235220425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

235220425 is a deficient number, since it is larger than the sum of its proper divisors (96811895).

235220425 is a wasteful number, since it uses less digits than its factorization.

235220425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37233 (or 37228 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 235220425 is about 15336.8975024286. The cubic root of 235220425 is about 617.2934613883.

Adding to 235220425 its reverse (524022532), we get a palindrome (759242957).

The spelling of 235220425 in words is "two hundred thirty-five million, two hundred twenty thousand, four hundred twenty-five".