2061451 has 8 divisors (see below), whose sum is σ = 2365920. Its totient is φ = 1759488.

The previous prime is 2061431. The next prime is 2061491. The reversal of 2061451 is 1541602.

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 2061451 - 2⁵ = 2061419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061431) 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 7 ways as a sum of consecutive naturals, for example, 1755 + ... + 2683.

It is an arithmetic number, because the mean of its divisors is an integer number (295740).

2^2061451 is an apocalyptic number.

2061451 is a deficient number, since it is larger than the sum of its proper divisors (304469).

2061451 is an equidigital number, since it uses as much as digits as its factorization.

2061451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2061451 is about 1435.7754002629. The cubic root of 2061451 is about 127.2695002429.

The spelling of 2061451 in words is "two million, sixty-one thousand, four hundred fifty-one".