25210512433 has 2 divisors, whose sum is σ = 25210512434. Its totient is φ = 25210512432.

The previous prime is 25210512367. The next prime is 25210512461. The reversal of 25210512433 is 33421501252.

It is an a-pointer prime, because the next prime (25210512461) can be obtained adding 25210512433 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25151422464 + 59089969 = 158592^2 + 7687^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25210512433 is a prime.

It is not a weakly prime, because it can be changed into another prime (25210512473) 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, 12605256216 + 12605256217.

It is an arithmetic number, because the mean of its divisors is an integer number (12605256217).

Almost surely, 2^25210512433 is an apocalyptic number.

It is an amenable number.

25210512433 is a deficient number, since it is larger than the sum of its proper divisors (1).

25210512433 is an equidigital number, since it uses as much as digits as its factorization.

25210512433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 25210512433 in words is "twenty-five billion, two hundred ten million, five hundred twelve thousand, four hundred thirty-three".