2545152541 has 2 divisors, whose sum is σ = 2545152542. Its totient is φ = 2545152540.

The previous prime is 2545152527. The next prime is 2545152563. The reversal of 2545152541 is 1452515452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2459664025 + 85488516 = 49595^2 + 9246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2545152541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2545152497 and 2545152506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545155541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272576270 + 1272576271.

It is an arithmetic number, because the mean of its divisors is an integer number (1272576271).

Almost surely, 2^2545152541 is an apocalyptic number.

It is an amenable number.

2545152541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545152541 is an equidigital number, since it uses as much as digits as its factorization.

2545152541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40000, while the sum is 34.

The square root of 2545152541 is about 50449.5048637744. The cubic root of 2545152541 is about 1365.3309615346.

Adding to 2545152541 its reverse (1452515452), we get a palindrome (3997667993).

The spelling of 2545152541 in words is "two billion, five hundred forty-five million, one hundred fifty-two thousand, five hundred forty-one".