2453997 has 32 divisors (see below), whose sum is σ = 4112640. Its totient is φ = 1267200.

The previous prime is 2453923. The next prime is 2453999. The reversal of 2453997 is 7993542.

It is not a de Polignac number, because 2453997 - 2¹² = 2449901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2453999) 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 31 ways as a sum of consecutive naturals, for example, 24247 + ... + 24347.

It is an arithmetic number, because the mean of its divisors is an integer number (128520).

2^2453997 is an apocalyptic number.

It is an amenable number.

2453997 is a deficient number, since it is larger than the sum of its proper divisors (1658643).

2453997 is a wasteful number, since it uses less digits than its factorization.

2453997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213.

The product of its digits is 68040, while the sum is 39.

The square root of 2453997 is about 1566.5238587395. The cubic root of 2453997 is about 134.8832461060.

The spelling of 2453997 in words is "two million, four hundred fifty-three thousand, nine hundred ninety-seven".