975489407 has 2 divisors, whose sum is σ = 975489408. Its totient is φ = 975489406.

The previous prime is 975489401. The next prime is 975489439. The reversal of 975489407 is 704984579.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 975489407 - 2¹² = 975485311 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (975489401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487744703 + 487744704.

It is an arithmetic number, because the mean of its divisors is an integer number (487744704).

Almost surely, 2^975489407 is an apocalyptic number.

975489407 is a deficient number, since it is larger than the sum of its proper divisors (1).

975489407 is an equidigital number, since it uses as much as digits as its factorization.

975489407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 975489407 is about 31232.8257927457. The cubic root of 975489407 is about 991.7621261149.

The spelling of 975489407 in words is "nine hundred seventy-five million, four hundred eighty-nine thousand, four hundred seven".