234140525 has 6 divisors (see below), whose sum is σ = 290334282. Its totient is φ = 187312400.

The previous prime is 234140521. The next prime is 234140531. The reversal of 234140525 is 525041432.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 25020004 + 209120521 = 5002^2 + 14461^2 .

It is not a de Polignac number, because 234140525 - 2² = 234140521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234140494 and 234140503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234140521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4682786 + ... + 4682835.

It is an arithmetic number, because the mean of its divisors is an integer number (48389047).

Almost surely, 2^234140525 is an apocalyptic number.

234140525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

234140525 is a deficient number, since it is larger than the sum of its proper divisors (56193757).

234140525 is an equidigital number, since it uses as much as digits as its factorization.

234140525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9365631 (or 9365626 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 234140525 is about 15301.6510547065. The cubic root of 234140525 is about 616.3473446197.

Adding to 234140525 its reverse (525041432), we get a palindrome (759181957).

The spelling of 234140525 in words is "two hundred thirty-four million, one hundred forty thousand, five hundred twenty-five".