7148702501 has 2 divisors, whose sum is σ = 7148702502. Its totient is φ = 7148702500.

The previous prime is 7148702497. The next prime is 7148702503. The reversal of 7148702501 is 1052078417.

7148702501 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 84550²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7148702500 + 1 = 84550^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 7148702501 - 2² = 7148702497 is a prime.

It is a super-2 number, since 2×7148702501² (a number of 21 digits) contains 22 as substring.

Together with 7148702503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7148702503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3574351250 + 3574351251.

It is an arithmetic number, because the mean of its divisors is an integer number (3574351251).

Almost surely, 2^7148702501 is an apocalyptic number.

It is an amenable number.

7148702501 is a deficient number, since it is larger than the sum of its proper divisors (1).

7148702501 is an equidigital number, since it uses as much as digits as its factorization.

7148702501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 7148702501 is about 84550.0000059137. Note that the first 5 decimals coincide. The cubic root of 7148702501 is about 1926.3819840382.

The spelling of 7148702501 in words is "seven billion, one hundred forty-eight million, seven hundred two thousand, five hundred one".