2921943025 has 27 divisors (see below), whose sum is σ = 3830673441. Its totient is φ = 2210633280.

The previous prime is 2921943019. The next prime is 2921943061. The reversal of 2921943025 is 5203491292.

The square root of 2921943025 is 54055.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 694480609 + 2227462416 = 26353^2 + 47196^2 .

It is not a de Polignac number, because 2921943025 - 2⁷ = 2921942897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5134941 + ... + 5135509.

Almost surely, 2^2921943025 is an apocalyptic number.

2921943025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2921943025 is the 54055-th square number.

2921943025 is the 27028-th centered octagonal number.

It is an amenable number.

2921943025 is a deficient number, since it is larger than the sum of its proper divisors (908730416).

2921943025 is an frugal number, since it uses more digits than its factorization.

2921943025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The cubic root of 2921943025 is about 1429.6308605927.

The spelling of 2921943025 in words is "two billion, nine hundred twenty-one million, nine hundred forty-three thousand, twenty-five".