5025981791 has 2 divisors, whose sum is σ = 5025981792. Its totient is φ = 5025981790.

The previous prime is 5025981787. The next prime is 5025981797. The reversal of 5025981791 is 1971895205.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5025981791 - 2² = 5025981787 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5025981797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2512990895 + 2512990896.

It is an arithmetic number, because the mean of its divisors is an integer number (2512990896).

Almost surely, 2^5025981791 is an apocalyptic number.

5025981791 is a deficient number, since it is larger than the sum of its proper divisors (1).

5025981791 is an equidigital number, since it uses as much as digits as its factorization.

5025981791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 47.

The square root of 5025981791 is about 70894.1590753427. The cubic root of 5025981791 is about 1712.9327136128.

The spelling of 5025981791 in words is "five billion, twenty-five million, nine hundred eighty-one thousand, seven hundred ninety-one".