25343538 has 32 divisors (see below), whose sum is σ = 55683072. Its totient is φ = 7626000.

The previous prime is 25343537. The next prime is 25343567. The reversal of 25343538 is 83534352.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 25343499 and 25343508.

It is not an unprimeable number, because it can be changed into a prime (25343531) 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 15 ways as a sum of consecutive naturals, for example, 8695 + ... + 11237.

It is an arithmetic number, because the mean of its divisors is an integer number (1740096).

Almost surely, 2^25343538 is an apocalyptic number.

25343538 is an abundant number, since it is smaller than the sum of its proper divisors (30339534).

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

25343538 is a wasteful number, since it uses less digits than its factorization.

25343538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710.

The product of its digits is 43200, while the sum is 33.

The square root of 25343538 is about 5034.2365856205. The cubic root of 25343538 is about 293.7350336120.

The spelling of 25343538 in words is "twenty-five million, three hundred forty-three thousand, five hundred thirty-eight".