32525430 has 32 divisors (see below), whose sum is σ = 89213184. Its totient is φ = 7434336.

The previous prime is 32525429. The next prime is 32525431. The reversal of 32525430 is 3452523.

It is an interprime number because it is at equal distance from previous prime (32525429) and next prime (32525431).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 32525430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32525431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77232 + ... + 77651.

It is an arithmetic number, because the mean of its divisors is an integer number (2787912).

Almost surely, 2^32525430 is an apocalyptic number.

32525430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32525430 is an abundant number, since it is smaller than the sum of its proper divisors (56687754).

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

32525430 is a wasteful number, since it uses less digits than its factorization.

32525430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154900.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 32525430 is about 5703.1070479170. The cubic root of 32525430 is about 319.2084276454.

Adding to 32525430 its reverse (3452523), we get a palindrome (35977953).

The spelling of 32525430 in words is "thirty-two million, five hundred twenty-five thousand, four hundred thirty".