7425444541 has 2 divisors, whose sum is σ = 7425444542. Its totient is φ = 7425444540.

The previous prime is 7425444517. The next prime is 7425444581. The reversal of 7425444541 is 1454445247.

It is an a-pointer prime, because the next prime (7425444581) can be obtained adding 7425444541 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5330460100 + 2094984441 = 73010^2 + 45771^2 .

It is a cyclic number.

It is not a de Polignac number, because 7425444541 - 2⁹ = 7425444029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7425444494 and 7425444503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7425444581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3712722270 + 3712722271.

It is an arithmetic number, because the mean of its divisors is an integer number (3712722271).

Almost surely, 2^7425444541 is an apocalyptic number.

It is an amenable number.

7425444541 is a deficient number, since it is larger than the sum of its proper divisors (1).

7425444541 is an equidigital number, since it uses as much as digits as its factorization.

7425444541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 358400, while the sum is 40.

The square root of 7425444541 is about 86171.0191479711. The cubic root of 7425444541 is about 1950.9261032525.

Adding to 7425444541 its reverse (1454445247), we get a palindrome (8879889788).

The spelling of 7425444541 in words is "seven billion, four hundred twenty-five million, four hundred forty-four thousand, five hundred forty-one".