1975147 has 2 divisors, whose sum is σ = 1975148. Its totient is φ = 1975146.

The previous prime is 1975133. The next prime is 1975153. The reversal of 1975147 is 7415791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1975147 - 2⁷ = 1975019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1975117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987573 + 987574.

It is an arithmetic number, because the mean of its divisors is an integer number (987574).

2^1975147 is an apocalyptic number.

1975147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1975147 is an equidigital number, since it uses as much as digits as its factorization.

1975147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 34.

The square root of 1975147 is about 1405.3992315353. The cubic root of 1975147 is about 125.4680479284.

The spelling of 1975147 in words is "one million, nine hundred seventy-five thousand, one hundred forty-seven".