25145234 has 8 divisors (see below), whose sum is σ = 38281008. Its totient is φ = 12384900.

The previous prime is 25145221. The next prime is 25145273. The reversal of 25145234 is 43254152.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93692 + ... + 93959.

It is an arithmetic number, because the mean of its divisors is an integer number (4785126).

Almost surely, 2^25145234 is an apocalyptic number.

25145234 is a deficient number, since it is larger than the sum of its proper divisors (13135774).

25145234 is a wasteful number, since it uses less digits than its factorization.

25145234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187720.

The product of its digits is 4800, while the sum is 26.

The square root of 25145234 is about 5014.5023681319. The cubic root of 25145234 is about 292.9669032727.

Adding to 25145234 its reverse (43254152), we get a palindrome (68399386).

The spelling of 25145234 in words is "twenty-five million, one hundred forty-five thousand, two hundred thirty-four".