25441145 has 8 divisors (see below), whose sum is σ = 30810120. Its totient is φ = 20165760.

The previous prime is 25441121. The next prime is 25441153. The reversal of 25441145 is 54114452.

It can be written as a sum of positive squares in 4 ways, for example, as 12902464 + 12538681 = 3592^2 + 3541^2 .

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

It is not a de Polignac number, because 25441145 - 2⁸ = 25440889 is a prime.

It is a super-2 number, since 2×25441145² = 1294503717822050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22796 + ... + 23885.

It is an arithmetic number, because the mean of its divisors is an integer number (3851265).

Almost surely, 2^25441145 is an apocalyptic number.

It is an amenable number.

25441145 is a deficient number, since it is larger than the sum of its proper divisors (5368975).

25441145 is a wasteful number, since it uses less digits than its factorization.

25441145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46795.

The product of its digits is 3200, while the sum is 26.

The square root of 25441145 is about 5043.9215893985. The cubic root of 25441145 is about 294.1116433167. Note that the first 3 decimals are identical.

Adding to 25441145 its reverse (54114452), we get a palindrome (79555597).

The spelling of 25441145 in words is "twenty-five million, four hundred forty-one thousand, one hundred forty-five".