25541003017 has 2 divisors, whose sum is σ = 25541003018. Its totient is φ = 25541003016.

The previous prime is 25541002967. The next prime is 25541003029. The reversal of 25541003017 is 71030014552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25422389136 + 118613881 = 159444^2 + 10891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25541003017 is a prime.

It is a super-2 number, since 2×25541003017² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25541003057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12770501508 + 12770501509.

It is an arithmetic number, because the mean of its divisors is an integer number (12770501509).

Almost surely, 2^25541003017 is an apocalyptic number.

It is an amenable number.

25541003017 is a deficient number, since it is larger than the sum of its proper divisors (1).

25541003017 is an equidigital number, since it uses as much as digits as its factorization.

25541003017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

Adding to 25541003017 its reverse (71030014552), we get a palindrome (96571017569).

The spelling of 25541003017 in words is "twenty-five billion, five hundred forty-one million, three thousand, seventeen".