30252005 has 16 divisors (see below), whose sum is σ = 42455424. Its totient is φ = 20260800.

The previous prime is 30251999. The next prime is 30252037. The reversal of 30252005 is 50025203.

It is not a de Polignac number, because 30252005 - 2⁶ = 30251941 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 15 ways as a sum of consecutive naturals, for example, 8546 + ... + 11555.

It is an arithmetic number, because the mean of its divisors is an integer number (2653464).

Almost surely, 2^30252005 is an apocalyptic number.

30252005 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30252005 is a deficient number, since it is larger than the sum of its proper divisors (12203419).

30252005 is a wasteful number, since it uses less digits than its factorization.

30252005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20156.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 30252005 is about 5500.1822697071. The cubic root of 30252005 is about 311.5908680982.

Adding to 30252005 its reverse (50025203), we get a palindrome (80277208).

The spelling of 30252005 in words is "thirty million, two hundred fifty-two thousand, five".