2015453 has 8 divisors (see below), whose sum is σ = 2250336. Its totient is φ = 1789200.

The previous prime is 2015443. The next prime is 2015473. The reversal of 2015453 is 3545102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2015453 - 2¹⁴ = 1999069 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1658 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (281292).

2^2015453 is an apocalyptic number.

It is an amenable number.

2015453 is a deficient number, since it is larger than the sum of its proper divisors (234883).

2015453 is a wasteful number, since it uses less digits than its factorization.

2015453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2015453 is about 1419.6665101354. Note that the first 3 decimals coincide. The cubic root of 2015453 is about 126.3157654940.

The spelling of 2015453 in words is "two million, fifteen thousand, four hundred fifty-three".