7651951 has 2 divisors, whose sum is σ = 7651952. Its totient is φ = 7651950.

The previous prime is 7651949. The next prime is 7651961. The reversal of 7651951 is 1591567.

It is a weak prime.

It is an emirp because it is prime and its reverse (1591567) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7651951 - 2¹ = 7651949 is a prime.

Together with 7651949, it forms a pair of twin primes.

7651951 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7651961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3825975 + 3825976.

It is an arithmetic number, because the mean of its divisors is an integer number (3825976).

Almost surely, 2^7651951 is an apocalyptic number.

7651951 is a deficient number, since it is larger than the sum of its proper divisors (1).

7651951 is an equidigital number, since it uses as much as digits as its factorization.

7651951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9450, while the sum is 34.

The square root of 7651951 is about 2766.2160074730. The cubic root of 7651951 is about 197.0564827261.

The spelling of 7651951 in words is "seven million, six hundred fifty-one thousand, nine hundred fifty-one".