2091486225 has 12 divisors (see below), whose sum is σ = 3457924016. Its totient is φ = 1115459280.

The previous prime is 2091486193. The next prime is 2091486247. The reversal of 2091486225 is 5226841902.

It is not a de Polignac number, because 2091486225 - 2⁵ = 2091486193 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, 13943167 + ... + 13943316.

Almost surely, 2^2091486225 is an apocalyptic number.

2091486225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2091486225 is a deficient number, since it is larger than the sum of its proper divisors (1366437791).

2091486225 is a wasteful number, since it uses less digits than its factorization.

2091486225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27886496 (or 27886491 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 2091486225 is about 45732.7697061965. The cubic root of 2091486225 is about 1278.8462554953.

The spelling of 2091486225 in words is "two billion, ninety-one million, four hundred eighty-six thousand, two hundred twenty-five".