25432134 has 48 divisors (see below), whose sum is σ = 62963712. Its totient is φ = 6705504.

The previous prime is 25432133. The next prime is 25432151. The reversal of 25432134 is 43123452.

25432134 = 483² + 484² + ... + 573².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25432133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5307 + ... + 8889.

It is an arithmetic number, because the mean of its divisors is an integer number (1311744).

Almost surely, 2^25432134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25432134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31481856).

25432134 is an abundant number, since it is smaller than the sum of its proper divisors (37531578).

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

25432134 is a wasteful number, since it uses less digits than its factorization.

25432134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621 (or 3608 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 25432134 is about 5043.0282569107. The cubic root of 25432134 is about 294.0769154120.

Adding to 25432134 its reverse (43123452), we get a palindrome (68555586).

The spelling of 25432134 in words is "twenty-five million, four hundred thirty-two thousand, one hundred thirty-four".