5261145031 has 2 divisors, whose sum is σ = 5261145032. Its totient is φ = 5261145030.

The previous prime is 5261144981. The next prime is 5261145041. The reversal of 5261145031 is 1305411625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5261145031 - 2²³ = 5252756423 is a prime.

It is a super-2 number, since 2×5261145031² = 55359294074431981922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5261145041) 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, 2630572515 + 2630572516.

It is an arithmetic number, because the mean of its divisors is an integer number (2630572516).

Almost surely, 2^5261145031 is an apocalyptic number.

5261145031 is a deficient number, since it is larger than the sum of its proper divisors (1).

5261145031 is an equidigital number, since it uses as much as digits as its factorization.

5261145031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 5261145031 is about 72533.7509784238. The cubic root of 5261145031 is about 1739.2423079499.

Adding to 5261145031 its reverse (1305411625), we get a palindrome (6566556656).

The spelling of 5261145031 in words is "five billion, two hundred sixty-one million, one hundred forty-five thousand, thirty-one".