1764625241 has 2 divisors, whose sum is σ = 1764625242. Its totient is φ = 1764625240.

The previous prime is 1764625231. The next prime is 1764625243. The reversal of 1764625241 is 1425264671.

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., 1521390025 + 243235216 = 39005^2 + 15596^2 .

It is an emirp because it is prime and its reverse (1425264671) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1764625241 is a prime.

It is a super-2 number, since 2×1764625241² = 6227804482348616162, which contains 22 as substring.

Together with 1764625243, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1764625195 and 1764625204.

It is not a weakly prime, because it can be changed into another prime (1764625243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 882312620 + 882312621.

It is an arithmetic number, because the mean of its divisors is an integer number (882312621).

Almost surely, 2^1764625241 is an apocalyptic number.

It is an amenable number.

1764625241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1764625241 is an equidigital number, since it uses as much as digits as its factorization.

1764625241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

The square root of 1764625241 is about 42007.4426857908. The cubic root of 1764625241 is about 1208.4188625478.

The spelling of 1764625241 in words is "one billion, seven hundred sixty-four million, six hundred twenty-five thousand, two hundred forty-one".