51025334531 has 2 divisors, whose sum is σ = 51025334532. Its totient is φ = 51025334530.

The previous prime is 51025334501. The next prime is 51025334543. The reversal of 51025334531 is 13543352015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51025334531 - 2¹⁰ = 51025333507 is a prime.

It is a super-2 number, since 2×51025334531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51025334501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25512667265 + 25512667266.

It is an arithmetic number, because the mean of its divisors is an integer number (25512667266).

Almost surely, 2^51025334531 is an apocalyptic number.

51025334531 is a deficient number, since it is larger than the sum of its proper divisors (1).

51025334531 is an equidigital number, since it uses as much as digits as its factorization.

51025334531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 51025334531 its reverse (13543352015), we get a palindrome (64568686546).

The spelling of 51025334531 in words is "fifty-one billion, twenty-five million, three hundred thirty-four thousand, five hundred thirty-one".