25260145 has 8 divisors (see below), whose sum is σ = 30409704. Its totient is φ = 20143104.

The previous prime is 25260127. The next prime is 25260163. The reversal of 25260145 is 54106252.

It is an interprime number because it is at equal distance from previous prime (25260127) and next prime (25260163).

It can be written as a sum of positive squares in 4 ways, for example, as 579121 + 24681024 = 761^2 + 4968^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 25260145 - 2⁷ = 25260017 is a prime.

It is a Duffinian 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, 6384 + ... + 9553.

It is an arithmetic number, because the mean of its divisors is an integer number (3801213).

Almost surely, 2^25260145 is an apocalyptic number.

It is an amenable number.

25260145 is a deficient number, since it is larger than the sum of its proper divisors (5149559).

25260145 is a wasteful number, since it uses less digits than its factorization.

25260145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16259.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 25260145 is about 5025.9471744140. The cubic root of 25260145 is about 293.4125008710.

Adding to 25260145 its reverse (54106252), we get a palindrome (79366397).

The spelling of 25260145 in words is "twenty-five million, two hundred sixty thousand, one hundred forty-five".