2051377 has 4 divisors (see below), whose sum is σ = 2060800. Its totient is φ = 2041956.

The previous prime is 2051359. The next prime is 2051383. The reversal of 2051377 is 7731502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2051377 - 2⁷ = 2051249 is a prime.

It is a super-2 number, since 2×2051377² = 8416295192258, which contains 22 as substring.

It is a Duffinian number.

2051377 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2051327) 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, 4377 + ... + 4822.

It is an arithmetic number, because the mean of its divisors is an integer number (515200).

2^2051377 is an apocalyptic number.

It is an amenable number.

2051377 is a deficient number, since it is larger than the sum of its proper divisors (9423).

2051377 is an equidigital number, since it uses as much as digits as its factorization.

2051377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9422.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 2051377 is about 1432.2628948625. The cubic root of 2051377 is about 127.0618460013.

Adding to 2051377 its reverse (7731502), we get a palindrome (9782879).

The spelling of 2051377 in words is "two million, fifty-one thousand, three hundred seventy-seven".