2977225 has 6 divisors (see below), whose sum is σ = 3691790. Its totient is φ = 2381760.

The previous prime is 2977213. The next prime is 2977231. The reversal of 2977225 is 5227792.

It can be written as a sum of positive squares in 3 ways, for example, as 1006009 + 1971216 = 1003^2 + 1404^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2977225 is a prime.

2977225 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59520 + ... + 59569.

2^2977225 is an apocalyptic number.

2977225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2977225 is a deficient number, since it is larger than the sum of its proper divisors (714565).

2977225 is a wasteful number, since it uses less digits than its factorization.

2977225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119099 (or 119094 counting only the distinct ones).

The product of its digits is 17640, while the sum is 34.

The square root of 2977225 is about 1725.4637057904. The cubic root of 2977225 is about 143.8590602744.

The spelling of 2977225 in words is "two million, nine hundred seventy-seven thousand, two hundred twenty-five".