2302972921 has 2 divisors, whose sum is σ = 2302972922. Its totient is φ = 2302972920.

The previous prime is 2302972909. The next prime is 2302972927. The reversal of 2302972921 is 1292792032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2283788521 + 19184400 = 47789^2 + 4380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2302972921 is a prime.

It is not a weakly prime, because it can be changed into another prime (2302972927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151486460 + 1151486461.

It is an arithmetic number, because the mean of its divisors is an integer number (1151486461).

Almost surely, 2^2302972921 is an apocalyptic number.

It is an amenable number.

2302972921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2302972921 is an equidigital number, since it uses as much as digits as its factorization.

2302972921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2302972921 is about 47989.3000678276. The cubic root of 2302972921 is about 1320.5746122782.

The spelling of 2302972921 in words is "two billion, three hundred two million, nine hundred seventy-two thousand, nine hundred twenty-one".