2505154801 has 2 divisors, whose sum is σ = 2505154802. Its totient is φ = 2505154800.

The previous prime is 2505154709. The next prime is 2505154829. The reversal of 2505154801 is 1084515052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1542604176 + 962550625 = 39276^2 + 31025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2505154801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2505154831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252577400 + 1252577401.

It is an arithmetic number, because the mean of its divisors is an integer number (1252577401).

Almost surely, 2^2505154801 is an apocalyptic number.

It is an amenable number.

2505154801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505154801 is an equidigital number, since it uses as much as digits as its factorization.

2505154801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 2505154801 is about 50051.5214653860. The cubic root of 2505154801 is about 1358.1409867411.

Adding to 2505154801 its reverse (1084515052), we get a palindrome (3589669853).

The spelling of 2505154801 in words is "two billion, five hundred five million, one hundred fifty-four thousand, eight hundred one".