25261003 has 2 divisors, whose sum is σ = 25261004. Its totient is φ = 25261002.

The previous prime is 25260979. The next prime is 25261021. The reversal of 25261003 is 30016252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25261003 - 2⁵ = 25260971 is a prime.

It is not a weakly prime, because it can be changed into another prime (25261073) 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 as a sum of consecutive naturals, namely, 12630501 + 12630502.

It is an arithmetic number, because the mean of its divisors is an integer number (12630502).

Almost surely, 2^25261003 is an apocalyptic number.

25261003 is a deficient number, since it is larger than the sum of its proper divisors (1).

25261003 is an equidigital number, since it uses as much as digits as its factorization.

25261003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 25261003 is about 5026.0325307344. The cubic root of 25261003 is about 293.4158229036.

Adding to 25261003 its reverse (30016252), we get a palindrome (55277255).

The spelling of 25261003 in words is "twenty-five million, two hundred sixty-one thousand, three".