25223140741 has 2 divisors, whose sum is σ = 25223140742. Its totient is φ = 25223140740.

The previous prime is 25223140721. The next prime is 25223140753. The reversal of 25223140741 is 14704132252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18474518241 + 6748622500 = 135921^2 + 82150^2 .

It is a cyclic number.

It is not a de Polignac number, because 25223140741 - 2¹⁹ = 25222616453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25223140721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12611570370 + 12611570371.

It is an arithmetic number, because the mean of its divisors is an integer number (12611570371).

Almost surely, 2^25223140741 is an apocalyptic number.

It is an amenable number.

25223140741 is a deficient number, since it is larger than the sum of its proper divisors (1).

25223140741 is an equidigital number, since it uses as much as digits as its factorization.

25223140741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 25223140741 its reverse (14704132252), we get a palindrome (39927272993).

The spelling of 25223140741 in words is "twenty-five billion, two hundred twenty-three million, one hundred forty thousand, seven hundred forty-one".