25534330541 has 2 divisors, whose sum is σ = 25534330542. Its totient is φ = 25534330540.

The previous prime is 25534330483. The next prime is 25534330559. The reversal of 25534330541 is 14503343552.

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., 16211655625 + 9322674916 = 127325^2 + 96554^2 .

It is a cyclic number.

It is not a de Polignac number, because 25534330541 - 2¹⁰ = 25534329517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25534330741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12767165270 + 12767165271.

It is an arithmetic number, because the mean of its divisors is an integer number (12767165271).

Almost surely, 2^25534330541 is an apocalyptic number.

It is an amenable number.

25534330541 is a deficient number, since it is larger than the sum of its proper divisors (1).

25534330541 is an equidigital number, since it uses as much as digits as its factorization.

25534330541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 25534330541 in words is "twenty-five billion, five hundred thirty-four million, three hundred thirty thousand, five hundred forty-one".