30424525 has 12 divisors (see below), whose sum is σ = 37795572. Its totient is φ = 24295040.

The previous prime is 30424523. The next prime is 30424531. The reversal of 30424525 is 52542403.

It can be written as a sum of positive squares in 6 ways, for example, as 328329 + 30096196 = 573^2 + 5486^2 .

It is not a de Polignac number, because 30424525 - 2¹ = 30424523 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 30424525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30424523) 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, 23187 + ... + 24463.

It is an arithmetic number, because the mean of its divisors is an integer number (3149631).

Almost surely, 2^30424525 is an apocalyptic number.

It is an amenable number.

30424525 is a deficient number, since it is larger than the sum of its proper divisors (7371047).

30424525 is a wasteful number, since it uses less digits than its factorization.

30424525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240 (or 2235 counting only the distinct ones).

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

The square root of 30424525 is about 5515.8430905891. The cubic root of 30424525 is about 312.1820552921.

Adding to 30424525 its reverse (52542403), we get a palindrome (82966928).

The spelling of 30424525 in words is "thirty million, four hundred twenty-four thousand, five hundred twenty-five".