25334505 has 128 divisors (see below), whose sum is σ = 58060800. Its totient is φ = 10202112.

The previous prime is 25334503. The next prime is 25334521. The reversal of 25334505 is 50543352.

It is not a de Polignac number, because 25334505 - 2¹ = 25334503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (25334501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 305194 + ... + 305276.

It is an arithmetic number, because the mean of its divisors is an integer number (453600).

Almost surely, 2^25334505 is an apocalyptic number.

It is an amenable number.

25334505 is an abundant number, since it is smaller than the sum of its proper divisors (32726295).

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

25334505 is a wasteful number, since it uses less digits than its factorization.

25334505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 25334505 is about 5033.3393487823. The cubic root of 25334505 is about 293.7001315678.

Adding to 25334505 its reverse (50543352), we get a palindrome (75877857).

The spelling of 25334505 in words is "twenty-five million, three hundred thirty-four thousand, five hundred five".