262140225 has 24 divisors (see below), whose sum is σ = 437254752. Its totient is φ = 138566400.

The previous prime is 262140191. The next prime is 262140287. The reversal of 262140225 is 522041262.

It is a happy number.

262140225 is nontrivially palindromic in base 9.

It is not a de Polignac number, because 262140225 - 2⁶ = 262140161 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 262140195 and 262140204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6991 + ... + 23940.

It is an arithmetic number, because the mean of its divisors is an integer number (18218948).

Almost surely, 2^262140225 is an apocalyptic number.

262140225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

262140225 is a deficient number, since it is larger than the sum of its proper divisors (175114527).

262140225 is a wasteful number, since it uses less digits than its factorization.

262140225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31057 (or 31052 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 262140225 is about 16190.7450415353. The cubic root of 262140225 is about 639.9969278824.

Adding to 262140225 its reverse (522041262), we get a palindrome (784181487).

The spelling of 262140225 in words is "two hundred sixty-two million, one hundred forty thousand, two hundred twenty-five".