2061251 has 4 divisors (see below), whose sum is σ = 2095104. Its totient is φ = 2027400.

The previous prime is 2061247. The next prime is 2061271. The reversal of 2061251 is 1521602.

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 2061251 - 2² = 2061247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061271) 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, 16835 + ... + 16956.

It is an arithmetic number, because the mean of its divisors is an integer number (523776).

2^2061251 is an apocalyptic number.

2061251 is a deficient number, since it is larger than the sum of its proper divisors (33853).

2061251 is an equidigital number, since it uses as much as digits as its factorization.

2061251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33852.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2061251 is about 1435.7057497969. The cubic root of 2061251 is about 127.2653842548.

Adding to 2061251 its reverse (1521602), we get a palindrome (3582853).

The spelling of 2061251 in words is "two million, sixty-one thousand, two hundred fifty-one".