2972091225 has 12 divisors (see below), whose sum is σ = 4913857616. Its totient is φ = 1585115280.

The previous prime is 2972091209. The next prime is 2972091233. The reversal of 2972091225 is 5221902792.

It is not a de Polignac number, because 2972091225 - 2⁴ = 2972091209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19813867 + ... + 19814016.

Almost surely, 2^2972091225 is an apocalyptic number.

2972091225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2972091225 is a deficient number, since it is larger than the sum of its proper divisors (1941766391).

2972091225 is a wasteful number, since it uses less digits than its factorization.

2972091225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39627896 (or 39627891 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 2972091225 is about 54516.8893555016. The cubic root of 2972091225 is about 1437.7632495827.

The spelling of 2972091225 in words is "two billion, nine hundred seventy-two million, ninety-one thousand, two hundred twenty-five".