972261151 has 2 divisors, whose sum is σ = 972261152. Its totient is φ = 972261150.

The previous prime is 972261109. The next prime is 972261197. The reversal of 972261151 is 151162279.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972261151 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972267151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486130575 + 486130576.

It is an arithmetic number, because the mean of its divisors is an integer number (486130576).

Almost surely, 2^972261151 is an apocalyptic number.

972261151 is a deficient number, since it is larger than the sum of its proper divisors (1).

972261151 is an equidigital number, since it uses as much as digits as its factorization.

972261151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 34.

The square root of 972261151 is about 31181.1024660771. The cubic root of 972261151 is about 990.6668808812. Note that the first 3 decimals are identical.

The spelling of 972261151 in words is "nine hundred seventy-two million, two hundred sixty-one thousand, one hundred fifty-one".