7641237251 has 2 divisors, whose sum is σ = 7641237252. Its totient is φ = 7641237250.

The previous prime is 7641237203. The next prime is 7641237271. The reversal of 7641237251 is 1527321467.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7641237251 - 2⁶ = 7641237187 is a prime.

It is not a weakly prime, because it can be changed into another prime (7641237271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3820618625 + 3820618626.

It is an arithmetic number, because the mean of its divisors is an integer number (3820618626).

Almost surely, 2^7641237251 is an apocalyptic number.

7641237251 is a deficient number, since it is larger than the sum of its proper divisors (1).

7641237251 is an equidigital number, since it uses as much as digits as its factorization.

7641237251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 38.

The square root of 7641237251 is about 87414.1707676736. The cubic root of 7641237251 is about 1969.6447134285.

The spelling of 7641237251 in words is "seven billion, six hundred forty-one million, two hundred thirty-seven thousand, two hundred fifty-one".