2070257 has 4 divisors (see below), whose sum is σ = 2366016. Its totient is φ = 1774500.

The previous prime is 2070241. The next prime is 2070283. The reversal of 2070257 is 7520702.

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 not a de Polignac number, because 2070257 - 2⁴ = 2070241 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2070217) 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, 147869 + ... + 147882.

It is an arithmetic number, because the mean of its divisors is an integer number (591504).

2^2070257 is an apocalyptic number.

It is an amenable number.

2070257 is a deficient number, since it is larger than the sum of its proper divisors (295759).

2070257 is an equidigital number, since it uses as much as digits as its factorization.

2070257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295758.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 2070257 is about 1438.8387678958. The cubic root of 2070257 is about 127.4504639043.

Adding to 2070257 its reverse (7520702), we get a palindrome (9590959).

The spelling of 2070257 in words is "two million, seventy thousand, two hundred fifty-seven".