3630516251 has 2 divisors, whose sum is σ = 3630516252. Its totient is φ = 3630516250.

The previous prime is 3630516247. The next prime is 3630516283. The reversal of 3630516251 is 1526150363.

It is an a-pointer prime, because the next prime (3630516283) can be obtained adding 3630516251 to its sum of digits (32).

It is a weak prime.

It is an emirp because it is prime and its reverse (1526150363) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3630516251 - 2² = 3630516247 is a prime.

It is not a weakly prime, because it can be changed into another prime (3630516151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1815258125 + 1815258126.

It is an arithmetic number, because the mean of its divisors is an integer number (1815258126).

Almost surely, 2^3630516251 is an apocalyptic number.

3630516251 is a deficient number, since it is larger than the sum of its proper divisors (1).

3630516251 is an equidigital number, since it uses as much as digits as its factorization.

3630516251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 3630516251 is about 60253.7654507998. The cubic root of 3630516251 is about 1536.9372211859.

The spelling of 3630516251 in words is "three billion, six hundred thirty million, five hundred sixteen thousand, two hundred fifty-one".