269121025 has 12 divisors (see below), whose sum is σ = 334381500. Its totient is φ = 214863680.

The previous prime is 269121023. The next prime is 269121043. The reversal of 269121025 is 520121962.

It can be written as a sum of positive squares in 6 ways, for example, as 11068929 + 258052096 = 3327^2 + 16064^2 .

It is not a de Polignac number, because 269121025 - 2¹ = 269121023 is a prime.

It is a super-2 number, since 2×269121025² = 144852252194101250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 269120984 and 269121002.

It is not an unprimeable number, because it can be changed into a prime (269121023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2151 + ... + 23299.

It is an arithmetic number, because the mean of its divisors is an integer number (27865125).

Almost surely, 2^269121025 is an apocalyptic number.

269121025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

269121025 is a deficient number, since it is larger than the sum of its proper divisors (65260475).

269121025 is a wasteful number, since it uses less digits than its factorization.

269121025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21668 (or 21663 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 269121025 is about 16404.9085642072. The cubic root of 269121025 is about 645.6282763033.

Adding to 269121025 its reverse (520121962), we get a palindrome (789242987).

It can be divided in two parts, 2691 and 21025, that added together give a square (23716 = 154²).

The spelling of 269121025 in words is "two hundred sixty-nine million, one hundred twenty-one thousand, twenty-five".