30252006 has 24 divisors (see below), whose sum is σ = 66339000. Its totient is φ = 9962016.

The previous prime is 30251999. The next prime is 30252037. The reversal of 30252006 is 60025203.

30252006 = T₂₅₀ + T₂₅₁ + ... + T₅₈₁.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30252006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8631 + ... + 11618.

It is an arithmetic number, because the mean of its divisors is an integer number (2764125).

Almost surely, 2^30252006 is an apocalyptic number.

30252006 is an abundant number, since it is smaller than the sum of its proper divisors (36086994).

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

30252006 is a wasteful number, since it uses less digits than its factorization.

30252006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20340 (or 20337 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30252006 is about 5500.1823606131. The cubic root of 30252006 is about 311.5908715315.

Adding to 30252006 its reverse (60025203), we get a palindrome (90277209).

The spelling of 30252006 in words is "thirty million, two hundred fifty-two thousand, six".