25350641 has 2 divisors, whose sum is σ = 25350642. Its totient is φ = 25350640.

The previous prime is 25350613. The next prime is 25350667. The reversal of 25350641 is 14605352.

It is an a-pointer prime, because the next prime (25350667) can be obtained adding 25350641 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24960016 + 390625 = 4996^2 + 625^2 .

It is a cyclic number.

It is not a de Polignac number, because 25350641 - 2¹⁰ = 25349617 is a prime.

It is a super-2 number, since 2×25350641² = 1285309998221762, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25350641.

It is not a weakly prime, because it can be changed into another prime (25350601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12675320 + 12675321.

It is an arithmetic number, because the mean of its divisors is an integer number (12675321).

Almost surely, 2^25350641 is an apocalyptic number.

It is an amenable number.

25350641 is a deficient number, since it is larger than the sum of its proper divisors (1).

25350641 is an equidigital number, since it uses as much as digits as its factorization.

25350641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 25350641 is about 5034.9420056243. The cubic root of 25350641 is about 293.7624726257.

Adding to 25350641 its reverse (14605352), we get a palindrome (39955993).

The spelling of 25350641 in words is "twenty-five million, three hundred fifty thousand, six hundred forty-one".