2421265601 has 2 divisors, whose sum is σ = 2421265602. Its totient is φ = 2421265600.

The previous prime is 2421265573. The next prime is 2421265667. The reversal of 2421265601 is 1065621242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2347305601 + 73960000 = 48449^2 + 8600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2421265601 is a prime.

It is a super-2 number, since 2×2421265601² = 11725054221171782402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2421265201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210632800 + 1210632801.

It is an arithmetic number, because the mean of its divisors is an integer number (1210632801).

Almost surely, 2^2421265601 is an apocalyptic number.

It is an amenable number.

2421265601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421265601 is an equidigital number, since it uses as much as digits as its factorization.

2421265601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2421265601 is about 49206.3573230126. The cubic root of 2421265601 is about 1342.8086927393.

Adding to 2421265601 its reverse (1065621242), we get a palindrome (3486886843).

The spelling of 2421265601 in words is "two billion, four hundred twenty-one million, two hundred sixty-five thousand, six hundred one".