2953421 has 2 divisors, whose sum is σ = 2953422. Its totient is φ = 2953420.

The previous prime is 2953411. The next prime is 2953429. The reversal of 2953421 is 1243592.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2937796 + 15625 = 1714^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 2953421 - 2¹⁴ = 2937037 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p₂₁₃₆₈₆ and since 2953421 and 213686 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2953429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1476710 + 1476711.

It is an arithmetic number, because the mean of its divisors is an integer number (1476711).

2^2953421 is an apocalyptic number.

It is an amenable number.

2953421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2953421 is an equidigital number, since it uses as much as digits as its factorization.

2953421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 2953421 is about 1718.5520067778. The cubic root of 2953421 is about 143.4746320092.

The spelling of 2953421 in words is "two million, nine hundred fifty-three thousand, four hundred twenty-one".