425021211541 has 2 divisors, whose sum is σ = 425021211542. Its totient is φ = 425021211540.

The previous prime is 425021211539. The next prime is 425021211583. The reversal of 425021211541 is 145112120524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418285562500 + 6735649041 = 646750^2 + 82071^2 .

It is a cyclic number.

It is not a de Polignac number, because 425021211541 - 2¹ = 425021211539 is a prime.

Together with 425021211539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425021211841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212510605770 + 212510605771.

It is an arithmetic number, because the mean of its divisors is an integer number (212510605771).

Almost surely, 2^425021211541 is an apocalyptic number.

It is an amenable number.

425021211541 is a deficient number, since it is larger than the sum of its proper divisors (1).

425021211541 is an equidigital number, since it uses as much as digits as its factorization.

425021211541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3200, while the sum is 28.

The spelling of 425021211541 in words is "four hundred twenty-five billion, twenty-one million, two hundred eleven thousand, five hundred forty-one".