402535 has 24 divisors (see below), whose sum is σ = 590976. Its totient is φ = 262080.

The previous prime is 402529. The next prime is 402541. The reversal of 402535 is 535204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (402529) and next prime (402541).

It is not a de Polignac number, because 402535 - 2³ = 402527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7569 + ... + 7621.

It is an arithmetic number, because the mean of its divisors is an integer number (24624).

2⁴⁰²⁵³⁵ is an apocalyptic number.

402535 is a deficient number, since it is larger than the sum of its proper divisors (188441).

402535 is a wasteful number, since it uses less digits than its factorization.

402535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 402535 is about 634.4564602871. The cubic root of 402535 is about 73.8359526451.

Adding to 402535 its reverse (535204), we get a palindrome (937739).

The spelling of 402535 in words is "four hundred two thousand, five hundred thirty-five".