7148387 has 2 divisors, whose sum is σ = 7148388. Its totient is φ = 7148386.

The previous prime is 7148357. The next prime is 7148399. The reversal of 7148387 is 7838417.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7148387 - 2⁸ = 7148131 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7148387.

It is not a weakly prime, because it can be changed into another prime (7148357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3574193 + 3574194.

It is an arithmetic number, because the mean of its divisors is an integer number (3574194).

Almost surely, 2^7148387 is an apocalyptic number.

7148387 is a deficient number, since it is larger than the sum of its proper divisors (1).

7148387 is an equidigital number, since it uses as much as digits as its factorization.

7148387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 38.

The square root of 7148387 is about 2673.6467605127. The cubic root of 7148387 is about 192.6353643959.

It can be divided in two parts, 714838 and 7, that multiplied together give a triangular number (5003866 = T₃₁₆₃).

The spelling of 7148387 in words is "seven million, one hundred forty-eight thousand, three hundred eighty-seven".