25374320223997 has 2 divisors, whose sum is σ = 25374320223998. Its totient is φ = 25374320223996.

The previous prime is 25374320223943. The next prime is 25374320224063. The reversal of 25374320223997 is 79932202347352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20018340362596 + 5355979861401 = 4474186^2 + 2314299^2 .

It is a cyclic number.

It is not a de Polignac number, because 25374320223997 - 2³¹ = 25372172740349 is a prime.

It is a super-2 number, since 2×25374320223997² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25374320293997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12687160111998 + 12687160111999.

It is an arithmetic number, because the mean of its divisors is an integer number (12687160111999).

Almost surely, 2^{25374320223997} is an apocalyptic number.

It is an amenable number.

25374320223997 is a deficient number, since it is larger than the sum of its proper divisors (1).

25374320223997 is an equidigital number, since it uses as much as digits as its factorization.

25374320223997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34292160, while the sum is 58.

The spelling of 25374320223997 in words is "twenty-five trillion, three hundred seventy-four billion, three hundred twenty million, two hundred twenty-three thousand, nine hundred ninety-seven".