815002 has 4 divisors (see below), whose sum is σ = 1222506. Its totient is φ = 407500.

The previous prime is 814991. The next prime is 815029. The reversal of 815002 is 200518.

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., 564001 + 251001 = 751^2 + 501^2 .

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203749 + ... + 203752.

2⁸¹⁵⁰⁰² is an apocalyptic number.

815002 is a deficient number, since it is larger than the sum of its proper divisors (407504).

815002 is a wasteful number, since it uses less digits than its factorization.

815002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407503.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 815002 is about 902.7746119603. The cubic root of 815002 is about 93.4084627504.

The spelling of 815002 in words is "eight hundred fifteen thousand, two".