2925223121 has 2 divisors, whose sum is σ = 2925223122. Its totient is φ = 2925223120.

The previous prime is 2925223043. The next prime is 2925223129. The reversal of 2925223121 is 1213225292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2103598225 + 821624896 = 45865^2 + 28664^2 .

It is a cyclic number.

It is not a de Polignac number, because 2925223121 - 2³⁰ = 1851481297 is a prime.

It is not a weakly prime, because it can be changed into another prime (2925223129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1462611560 + 1462611561.

It is an arithmetic number, because the mean of its divisors is an integer number (1462611561).

Almost surely, 2^2925223121 is an apocalyptic number.

It is an amenable number.

2925223121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2925223121 is an equidigital number, since it uses as much as digits as its factorization.

2925223121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

The square root of 2925223121 is about 54085.3318469990. The cubic root of 2925223121 is about 1430.1656158128.

The spelling of 2925223121 in words is "two billion, nine hundred twenty-five million, two hundred twenty-three thousand, one hundred twenty-one".