2425641557 has 2 divisors, whose sum is σ = 2425641558. Its totient is φ = 2425641556.

The previous prime is 2425641539. The next prime is 2425641611. The reversal of 2425641557 is 7551465242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1735055716 + 690585841 = 41654^2 + 26279^2 .

It is a cyclic number.

It is not a de Polignac number, because 2425641557 - 2¹⁸ = 2425379413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2425641527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1212820778 + 1212820779.

It is an arithmetic number, because the mean of its divisors is an integer number (1212820779).

Almost surely, 2^2425641557 is an apocalyptic number.

It is an amenable number.

2425641557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2425641557 is an equidigital number, since it uses as much as digits as its factorization.

2425641557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336000, while the sum is 41.

The square root of 2425641557 is about 49250.8026025972. The cubic root of 2425641557 is about 1343.6171590995.

The spelling of 2425641557 in words is "two billion, four hundred twenty-five million, six hundred forty-one thousand, five hundred fifty-seven".