265430131 has 4 divisors (see below), whose sum is σ = 265462792. Its totient is φ = 265397472.

The previous prime is 265430089. The next prime is 265430149. The reversal of 265430131 is 131034562.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 265430131 - 2⁷ = 265430003 is a prime.

It is a super-2 number, since 2×265430131² = 140906308885354322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 265430096 and 265430105.

It is not an unprimeable number, because it can be changed into a prime (265430531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6496 + ... + 23938.

It is an arithmetic number, because the mean of its divisors is an integer number (66365698).

Almost surely, 2^265430131 is an apocalyptic number.

265430131 is a deficient number, since it is larger than the sum of its proper divisors (32661).

265430131 is a wasteful number, since it uses less digits than its factorization.

265430131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32660.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 265430131 is about 16292.0266081295. The cubic root of 265430131 is about 642.6631629499.

Adding to 265430131 its reverse (131034562), we get a palindrome (396464693).

The spelling of 265430131 in words is "two hundred sixty-five million, four hundred thirty thousand, one hundred thirty-one".