30284925 has 24 divisors (see below), whose sum is σ = 54624480. Its totient is φ = 14683200.

The previous prime is 30284921. The next prime is 30284927. The reversal of 30284925 is 52948203.

It is a happy number.

It is not a de Polignac number, because 30284925 - 2² = 30284921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30284921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17530 + ... + 19179.

It is an arithmetic number, because the mean of its divisors is an integer number (2276020).

Almost surely, 2^30284925 is an apocalyptic number.

It is an amenable number.

30284925 is a deficient number, since it is larger than the sum of its proper divisors (24339555).

30284925 is a wasteful number, since it uses less digits than its factorization.

30284925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36733 (or 36728 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 30284925 is about 5503.1740841082. The cubic root of 30284925 is about 311.7038507241.

Subtracting 30284925 from its reverse (52948203), we obtain a triangular number (22663278 = T₆₇₃₂).

The spelling of 30284925 in words is "thirty million, two hundred eighty-four thousand, nine hundred twenty-five".