265402 has 4 divisors (see below), whose sum is σ = 398106. Its totient is φ = 132700.

The previous prime is 265399. The next prime is 265403. The reversal of 265402 is 204562.

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., 203401 + 62001 = 451^2 + 249^2 .

It is a super-3 number, since 3×265402³ = 56083334670434424, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 265402.

It is not an unprimeable number, because it can be changed into a prime (265403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66349 + ... + 66352.

2²⁶⁵⁴⁰² is an apocalyptic number.

265402 is a deficient number, since it is larger than the sum of its proper divisors (132704).

265402 is a wasteful number, since it uses less digits than its factorization.

265402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132703.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 265402 is about 515.1718159993. The cubic root of 265402 is about 64.2640458424.

Adding to 265402 its reverse (204562), we get a palindrome (469964).

The spelling of 265402 in words is "two hundred sixty-five thousand, four hundred two".