2555213 has 2 divisors, whose sum is σ = 2555214. Its totient is φ = 2555212.

The previous prime is 2555197. The next prime is 2555221. The reversal of 2555213 is 3125552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2256004 + 299209 = 1502^2 + 547^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555213 - 2⁴ = 2555197 is a prime.

It is a super-2 number, since 2×2555213² = 13058226950738, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁸ + 5⁵ + 5⁶ + 5⁹ + 2¹⁸ + 1 + 3¹⁰ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277606 + 1277607.

It is an arithmetic number, because the mean of its divisors is an integer number (1277607).

2^2555213 is an apocalyptic number.

It is an amenable number.

2555213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555213 is an equidigital number, since it uses as much as digits as its factorization.

2555213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1500, while the sum is 23.

The square root of 2555213 is about 1598.5033625238. The cubic root of 2555213 is about 136.7127552931.

The spelling of 2555213 in words is "two million, five hundred fifty-five thousand, two hundred thirteen".