4642502251 has 2 divisors, whose sum is σ = 4642502252. Its totient is φ = 4642502250.

The previous prime is 4642502231. The next prime is 4642502281. The reversal of 4642502251 is 1522052464.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4642502251 is a prime.

It is not a weakly prime, because it can be changed into another prime (4642502231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321251125 + 2321251126.

It is an arithmetic number, because the mean of its divisors is an integer number (2321251126).

Almost surely, 2^4642502251 is an apocalyptic number.

4642502251 is a deficient number, since it is larger than the sum of its proper divisors (1).

4642502251 is an equidigital number, since it uses as much as digits as its factorization.

4642502251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 4642502251 is about 68135.9101428901. The cubic root of 4642502251 is about 1668.2099517527.

The spelling of 4642502251 in words is "four billion, six hundred forty-two million, five hundred two thousand, two hundred fifty-one".