2674921 has 2 divisors, whose sum is σ = 2674922. Its totient is φ = 2674920.

The previous prime is 2674913. The next prime is 2674927. The reversal of 2674921 is 1294762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2560000 + 114921 = 1600^2 + 339^2 .

It is a cyclic number.

It is not a de Polignac number, because 2674921 - 2³ = 2674913 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 6⁶ + 7 + 4⁴ + 9⁴ + 2²¹ + 1 .

It is not a weakly prime, because it can be changed into another prime (2674927) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1337460 + 1337461.

It is an arithmetic number, because the mean of its divisors is an integer number (1337461).

2^2674921 is an apocalyptic number.

It is an amenable number.

2674921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2674921 is an equidigital number, since it uses as much as digits as its factorization.

2674921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 2674921 is about 1635.5185721966. The cubic root of 2674921 is about 138.8151883708.

It can be divided in two parts, 26 and 74921, that added together give a palindrome (74947).

The spelling of 2674921 in words is "two million, six hundred seventy-four thousand, nine hundred twenty-one".