245101541 has 2 divisors, whose sum is σ = 245101542. Its totient is φ = 245101540.

The previous prime is 245101537. The next prime is 245101553. The reversal of 245101541 is 145101542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221384641 + 23716900 = 14879^2 + 4870^2 .

It is a cyclic number.

It is not a de Polignac number, because 245101541 - 2² = 245101537 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245101561) 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, 122550770 + 122550771.

It is an arithmetic number, because the mean of its divisors is an integer number (122550771).

Almost surely, 2^245101541 is an apocalyptic number.

It is an amenable number.

245101541 is a deficient number, since it is larger than the sum of its proper divisors (1).

245101541 is an equidigital number, since it uses as much as digits as its factorization.

245101541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 245101541 is about 15655.7191147516. The cubic root of 245101541 is about 625.8189082077.

Subtracting from 245101541 its reverse (145101542), we obtain a palindrome (99999999).

The spelling of 245101541 in words is "two hundred forty-five million, one hundred one thousand, five hundred forty-one".