425044250441 has 2 divisors, whose sum is σ = 425044250442. Its totient is φ = 425044250440.

The previous prime is 425044250369. The next prime is 425044250459. The reversal of 425044250441 is 144052440524.

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., 332006440000 + 93037810441 = 576200^2 + 305021^2 .

It is a cyclic number.

It is not a de Polignac number, because 425044250441 - 2²² = 425040056137 is a prime.

It is a super-2 number, since 2×425044250441² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (425044250341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212522125220 + 212522125221.

It is an arithmetic number, because the mean of its divisors is an integer number (212522125221).

Almost surely, 2^425044250441 is an apocalyptic number.

It is an amenable number.

425044250441 is a deficient number, since it is larger than the sum of its proper divisors (1).

425044250441 is an equidigital number, since it uses as much as digits as its factorization.

425044250441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 425044250441 its reverse (144052440524), we get a palindrome (569096690965).

The spelling of 425044250441 in words is "four hundred twenty-five billion, forty-four million, two hundred fifty thousand, four hundred forty-one".