2249505 has 32 divisors (see below), whose sum is σ = 4214400. Its totient is φ = 1135296.

The previous prime is 2249483. The next prime is 2249537. The reversal of 2249505 is 5059422.

2249505 = 125² + 126² + ... + 205².

It is not a de Polignac number, because 2249505 - 2⁶ = 2249441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2127 + ... + 3003.

It is an arithmetic number, because the mean of its divisors is an integer number (131700).

2^2249505 is an apocalyptic number.

It is an amenable number.

2249505 is a deficient number, since it is larger than the sum of its proper divisors (1964895).

2249505 is a wasteful number, since it uses less digits than its factorization.

2249505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2249505 is about 1499.8349909240. The cubic root of 2249505 is about 131.0274596206.

The spelling of 2249505 in words is "two million, two hundred forty-nine thousand, five hundred five".