971053427 has 2 divisors, whose sum is σ = 971053428. Its totient is φ = 971053426.

The previous prime is 971053361. The next prime is 971053441. The reversal of 971053427 is 724350179.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 971053427 - 2¹⁰ = 971052403 is a prime.

It is not a weakly prime, because it can be changed into another prime (931053427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485526713 + 485526714.

It is an arithmetic number, because the mean of its divisors is an integer number (485526714).

Almost surely, 2^971053427 is an apocalyptic number.

971053427 is a deficient number, since it is larger than the sum of its proper divisors (1).

971053427 is an equidigital number, since it uses as much as digits as its factorization.

971053427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 971053427 is about 31161.7301669853. The cubic root of 971053427 is about 990.2565151709.

The spelling of 971053427 in words is "nine hundred seventy-one million, fifty-three thousand, four hundred twenty-seven".