30524425 has 12 divisors (see below), whose sum is σ = 38207376. Its totient is φ = 24189200.

The previous prime is 30524423. The next prime is 30524467. The reversal of 30524425 is 52442503.

It is not a de Polignac number, because 30524425 - 2¹ = 30524423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30524425.

It is not an unprimeable number, because it can be changed into a prime (30524423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3031 + ... + 8380.

It is an arithmetic number, because the mean of its divisors is an integer number (3183948).

Almost surely, 2^30524425 is an apocalyptic number.

It is an amenable number.

30524425 is a deficient number, since it is larger than the sum of its proper divisors (7682951).

30524425 is a wasteful number, since it uses less digits than its factorization.

30524425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11528 (or 11523 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 30524425 is about 5524.8914016476. The cubic root of 30524425 is about 312.5233689191.

Adding to 30524425 its reverse (52442503), we get a palindrome (82966928).

The spelling of 30524425 in words is "thirty million, five hundred twenty-four thousand, four hundred twenty-five".