7142616251 has 2 divisors, whose sum is σ = 7142616252. Its totient is φ = 7142616250.

The previous prime is 7142616133. The next prime is 7142616263. The reversal of 7142616251 is 1526162417.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7142616251 is a prime.

It is not a weakly prime, because it can be changed into another prime (7142616281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3571308125 + 3571308126.

It is an arithmetic number, because the mean of its divisors is an integer number (3571308126).

Almost surely, 2^7142616251 is an apocalyptic number.

7142616251 is a deficient number, since it is larger than the sum of its proper divisors (1).

7142616251 is an equidigital number, since it uses as much as digits as its factorization.

7142616251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 7142616251 is about 84514.0003253899. Note that the first 3 decimals coincide. The cubic root of 7142616251 is about 1925.8351355606.

Adding to 7142616251 its reverse (1526162417), we get a palindrome (8668778668).

The spelling of 7142616251 in words is "seven billion, one hundred forty-two million, six hundred sixteen thousand, two hundred fifty-one".