2657069 has 2 divisors, whose sum is σ = 2657070. Its totient is φ = 2657068.

The previous prime is 2657059. The next prime is 2657071. The reversal of 2657069 is 9607562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 169 = 1630^2 + 13^2 .

It is a cyclic number.

It is not a de Polignac number, because 2657069 - 2⁸ = 2656813 is a prime.

It is a super-2 number, since 2×2657069² = 14120031341522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 2657071, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹³ + 6 + 5⁹ + 7⁶ + 0 + 6⁶ + 9⁶ .

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2657059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328534 + 1328535.

It is an arithmetic number, because the mean of its divisors is an integer number (1328535).

2^2657069 is an apocalyptic number.

It is an amenable number.

2657069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2657069 is an equidigital number, since it uses as much as digits as its factorization.

2657069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 2657069 is about 1630.0518396665. The cubic root of 2657069 is about 138.5056886193.

The spelling of 2657069 in words is "two million, six hundred fifty-seven thousand, sixty-nine".