4025977 has 4 divisors (see below), whose sum is σ = 4036516. Its totient is φ = 4015440.

The previous prime is 4025941. The next prime is 4025981. The reversal of 4025977 is 7795204.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1666681 + 2359296 = 1291^2 + 1536^2 .

It is a cyclic number.

It is not a de Polignac number, because 4025977 - 2⁷ = 4025849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4025927) 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, 4674 + ... + 5467.

It is an arithmetic number, because the mean of its divisors is an integer number (1009129).

Almost surely, 2^4025977 is an apocalyptic number.

It is an amenable number.

4025977 is a deficient number, since it is larger than the sum of its proper divisors (10539).

4025977 is a wasteful number, since it uses less digits than its factorization.

4025977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10538.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 4025977 is about 2006.4837402780. The cubic root of 4025977 is about 159.0829966331.

The spelling of 4025977 in words is "four million, twenty-five thousand, nine hundred seventy-seven".