5145623201 has 2 divisors, whose sum is σ = 5145623202. Its totient is φ = 5145623200.

The previous prime is 5145623179. The next prime is 5145623233. The reversal of 5145623201 is 1023265415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3563493025 + 1582130176 = 59695^2 + 39776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5145623201 is a prime.

It is not a weakly prime, because it can be changed into another prime (5145623281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572811600 + 2572811601.

It is an arithmetic number, because the mean of its divisors is an integer number (2572811601).

Almost surely, 2^5145623201 is an apocalyptic number.

It is an amenable number.

5145623201 is a deficient number, since it is larger than the sum of its proper divisors (1).

5145623201 is an equidigital number, since it uses as much as digits as its factorization.

5145623201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 5145623201 is about 71732.9993866142. Note that the first 3 decimals coincide. The cubic root of 5145623201 is about 1726.4181519760.

Adding to 5145623201 its reverse (1023265415), we get a palindrome (6168888616).

The spelling of 5145623201 in words is "five billion, one hundred forty-five million, six hundred twenty-three thousand, two hundred one".