2657023 has 2 divisors, whose sum is σ = 2657024. Its totient is φ = 2657022.

The previous prime is 2657003. The next prime is 2657027. The reversal of 2657023 is 3207562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2657023 - 2⁵ = 2656991 is a prime.

It is a super-4 number, since 4×2657023⁴ (a number of 27 digits) contains 4444 as substring.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2657027) 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 as a sum of consecutive naturals, namely, 1328511 + 1328512.

It is an arithmetic number, because the mean of its divisors is an integer number (1328512).

2^2657023 is an apocalyptic number.

2657023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2657023 is an equidigital number, since it uses as much as digits as its factorization.

2657023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 2657023 is about 1630.0377296247. The cubic root of 2657023 is about 138.5048893303.

The spelling of 2657023 in words is "two million, six hundred fifty-seven thousand, twenty-three".