235545212225 has 6 divisors (see below), whose sum is σ = 292076063190. Its totient is φ = 188436169760.

The previous prime is 235545212191. The next prime is 235545212249. The reversal of 235545212225 is 522212545532.

It can be written as a sum of positive squares in 3 ways, for example, as 45351535681 + 190193676544 = 212959^2 + 436112^2 .

It is not a de Polignac number, because 235545212225 - 2³⁴ = 218365343041 is a prime.

It is a super-4 number, since 4×235545212225⁴ (a number of 47 digits) contains 4444 as substring.

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, 4710904220 + ... + 4710904269.

It is an arithmetic number, because the mean of its divisors is an integer number (48679343865).

Almost surely, 2^235545212225 is an apocalyptic number.

235545212225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

235545212225 is a deficient number, since it is larger than the sum of its proper divisors (56530850965).

235545212225 is an equidigital number, since it uses as much as digits as its factorization.

235545212225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9421808499 (or 9421808494 counting only the distinct ones).

The product of its digits is 240000, while the sum is 38.

Adding to 235545212225 its reverse (522212545532), we get a palindrome (757757757757).

The spelling of 235545212225 in words is "two hundred thirty-five billion, five hundred forty-five million, two hundred twelve thousand, two hundred twenty-five".