510402 has 16 divisors (see below), whose sum is σ = 1027872. Its totient is φ = 168960.

The previous prime is 510401. The next prime is 510403. The reversal of 510402 is 204015.

It is an interprime number because it is at equal distance from previous prime (510401) and next prime (510403).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (510401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377 + ... + 1707.

It is an arithmetic number, because the mean of its divisors is an integer number (64242).

2⁵¹⁰⁴⁰² is an apocalyptic number.

510402 is an abundant number, since it is smaller than the sum of its proper divisors (517470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

510402 is a wasteful number, since it uses less digits than its factorization.

510402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 510402 is about 714.4242437096. The cubic root of 510402 is about 79.9166840942.

Adding to 510402 its reverse (204015), we get a palindrome (714417).

The spelling of 510402 in words is "five hundred ten thousand, four hundred two".