2253945 has 16 divisors (see below), whose sum is σ = 3818880. Its totient is φ = 1131264.

The previous prime is 2253941. The next prime is 2253959. The reversal of 2253945 is 5493522.

It is not a de Polignac number, because 2253945 - 2² = 2253941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4165 + ... + 4674.

It is an arithmetic number, because the mean of its divisors is an integer number (238680).

2^2253945 is an apocalyptic number.

It is an amenable number.

2253945 is a deficient number, since it is larger than the sum of its proper divisors (1564935).

2253945 is a wasteful number, since it uses less digits than its factorization.

2253945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8864.

The product of its digits is 10800, while the sum is 30.

The square root of 2253945 is about 1501.3144240964. The cubic root of 2253945 is about 131.1136088824.

The spelling of 2253945 in words is "two million, two hundred fifty-three thousand, nine hundred forty-five".