25541315 has 16 divisors (see below), whose sum is σ = 31860000. Its totient is φ = 19633152.

The previous prime is 25541311. The next prime is 25541317. The reversal of 25541315 is 51314552.

It is a cyclic number.

It is not a de Polignac number, because 25541315 - 2² = 25541311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25541311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50936 + ... + 51434.

It is an arithmetic number, because the mean of its divisors is an integer number (1991250).

Almost surely, 2^25541315 is an apocalyptic number.

25541315 is a deficient number, since it is larger than the sum of its proper divisors (6318685).

25541315 is a wasteful number, since it uses less digits than its factorization.

25541315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886.

The product of its digits is 3000, while the sum is 26.

The square root of 25541315 is about 5053.8416081235. The cubic root of 25541315 is about 294.4971419729.

Adding to 25541315 its reverse (51314552), we get a palindrome (76855867).

The spelling of 25541315 in words is "twenty-five million, five hundred forty-one thousand, three hundred fifteen".