42850004 has 6 divisors (see below), whose sum is σ = 74987514. Its totient is φ = 21425000.

The previous prime is 42850001. The next prime is 42850007. The reversal of 42850004 is 40005824.

It is an interprime number because it is at equal distance from previous prime (42850001) and next prime (42850007).

It can be written as a sum of positive squares in only one way, i.e., 37185604 + 5664400 = 6098^2 + 2380^2 .

It is a super-2 number, since 2×42850004² = 3672245685600032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42850001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5356247 + ... + 5356254.

It is an arithmetic number, because the mean of its divisors is an integer number (12497919).

Almost surely, 2^42850004 is an apocalyptic number.

It is an amenable number.

42850004 is a deficient number, since it is larger than the sum of its proper divisors (32137510).

42850004 is a wasteful number, since it uses less digits than its factorization.

42850004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10712505 (or 10712503 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 42850004 is about 6545.9914451518. The cubic root of 42850004 is about 349.9319704514.

Adding to 42850004 its reverse (40005824), we get a palindrome (82855828).

The spelling of 42850004 in words is "forty-two million, eight hundred fifty thousand, four".