975147427 has 2 divisors, whose sum is σ = 975147428. Its totient is φ = 975147426.

The previous prime is 975147409. The next prime is 975147443. The reversal of 975147427 is 724741579.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 975147427 - 2¹⁵ = 975114659 is a prime.

It is equal to p_49647448 and since 975147427 and 49647448 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (975147497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487573713 + 487573714.

It is an arithmetic number, because the mean of its divisors is an integer number (487573714).

Almost surely, 2^975147427 is an apocalyptic number.

975147427 is a deficient number, since it is larger than the sum of its proper divisors (1).

975147427 is an equidigital number, since it uses as much as digits as its factorization.

975147427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 46.

The square root of 975147427 is about 31227.3506240923. The cubic root of 975147427 is about 991.6462176452.

The spelling of 975147427 in words is "nine hundred seventy-five million, one hundred forty-seven thousand, four hundred twenty-seven".