2052451 has 4 divisors (see below), whose sum is σ = 2141712. Its totient is φ = 1963192.

The previous prime is 2052439. The next prime is 2052473. The reversal of 2052451 is 1542502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2052451 - 2¹¹ = 2050403 is a prime.

It is a Duffinian number.

2052451 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2052431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44596 + ... + 44641.

It is an arithmetic number, because the mean of its divisors is an integer number (535428).

2^2052451 is an apocalyptic number.

2052451 is a deficient number, since it is larger than the sum of its proper divisors (89261).

2052451 is an equidigital number, since it uses as much as digits as its factorization.

2052451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89260.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2052451 is about 1432.6377769695. The cubic root of 2052451 is about 127.0840165749.

Adding to 2052451 its reverse (1542502), we get a palindrome (3594953).

The spelling of 2052451 in words is "two million, fifty-two thousand, four hundred fifty-one".