2999925 has 36 divisors (see below), whose sum is σ = 5480800. Its totient is φ = 1568160.

The previous prime is 2999921. The next prime is 2999933. The reversal of 2999925 is 5299992.

It is not a de Polignac number, because 2999925 - 2² = 2999921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2999921) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 14976 + ... + 15174.

2^2999925 is an apocalyptic number.

2999925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2999925 is a deficient number, since it is larger than the sum of its proper divisors (2480875).

2999925 is a wasteful number, since it uses less digits than its factorization.

2999925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 274 counting only the distinct ones).

The product of its digits is 131220, while the sum is 45.

The square root of 2999925 is about 1732.0291567985. The cubic root of 2999925 is about 144.2237551461.

The spelling of 2999925 in words is "two million, nine hundred ninety-nine thousand, nine hundred twenty-five".