2505923941 has 2 divisors, whose sum is σ = 2505923942. Its totient is φ = 2505923940.

The previous prime is 2505923923. The next prime is 2505923951. The reversal of 2505923941 is 1493295052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2461648225 + 44275716 = 49615^2 + 6654^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505923941 - 2¹¹ = 2505921893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2505923894 and 2505923903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505923951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252961970 + 1252961971.

It is an arithmetic number, because the mean of its divisors is an integer number (1252961971).

Almost surely, 2^2505923941 is an apocalyptic number.

It is an amenable number.

2505923941 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505923941 is an equidigital number, since it uses as much as digits as its factorization.

2505923941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 2505923941 is about 50059.2043584394. The cubic root of 2505923941 is about 1358.2799659998.

The spelling of 2505923941 in words is "two billion, five hundred five million, nine hundred twenty-three thousand, nine hundred forty-one".