2666953 has 2 divisors, whose sum is σ = 2666954. Its totient is φ = 2666952.

The previous prime is 2666947. The next prime is 2666969. The reversal of 2666953 is 3596662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2569609 + 97344 = 1603^2 + 312^2 .

It is a cyclic number.

It is not a de Polignac number, because 2666953 - 2¹⁷ = 2535881 is a prime.

It is a super-2 number, since 2×2666953² = 14225276608418, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2²¹ + 6³ + 6⁷ + 6⁷ + 9⁴ + 5⁵ + 3³ .

2666953 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2666453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333476 + 1333477.

It is an arithmetic number, because the mean of its divisors is an integer number (1333477).

2^2666953 is an apocalyptic number.

It is an amenable number.

2666953 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666953 is an equidigital number, since it uses as much as digits as its factorization.

2666953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 37.

The square root of 2666953 is about 1633.0808308225. The cubic root of 2666953 is about 138.6772180036.

The spelling of 2666953 in words is "two million, six hundred sixty-six thousand, nine hundred fifty-three".