972241427 has 2 divisors, whose sum is σ = 972241428. Its totient is φ = 972241426.

The previous prime is 972241399. The next prime is 972241433. The reversal of 972241427 is 724142279.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 972241427 - 2¹⁴ = 972225043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (972247427) 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, 486120713 + 486120714.

It is an arithmetic number, because the mean of its divisors is an integer number (486120714).

Almost surely, 2^972241427 is an apocalyptic number.

972241427 is a deficient number, since it is larger than the sum of its proper divisors (1).

972241427 is an equidigital number, since it uses as much as digits as its factorization.

972241427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 38.

The square root of 972241427 is about 31180.7861831609. The cubic root of 972241427 is about 990.6601817052.

The spelling of 972241427 in words is "nine hundred seventy-two million, two hundred forty-one thousand, four hundred twenty-seven".