265498 has 4 divisors (see below), whose sum is σ = 398250. Its totient is φ = 132748.

The previous prime is 265493. The next prime is 265511. The reversal of 265498 is 894562.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 190969 + 74529 = 437^2 + 273^2 .

It is not an unprimeable number, because it can be changed into a prime (265493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66373 + ... + 66376.

2²⁶⁵⁴⁹⁸ is an apocalyptic number.

265498 is a deficient number, since it is larger than the sum of its proper divisors (132752).

265498 is a wasteful number, since it uses less digits than its factorization.

265498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132751.

The product of its digits is 17280, while the sum is 34.

The square root of 265498 is about 515.2649803742. The cubic root of 265498 is about 64.2717933407.

The spelling of 265498 in words is "two hundred sixty-five thousand, four hundred ninety-eight".