2978453 has 2 divisors, whose sum is σ = 2978454. Its totient is φ = 2978452.

The previous prime is 2978429. The next prime is 2978483. The reversal of 2978453 is 3548792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2244004 + 734449 = 1498^2 + 857^2 .

It is a cyclic number.

It is not a de Polignac number, because 2978453 - 2⁸ = 2978197 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2978413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489226 + 1489227.

It is an arithmetic number, because the mean of its divisors is an integer number (1489227).

2^2978453 is an apocalyptic number.

It is an amenable number.

2978453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2978453 is an equidigital number, since it uses as much as digits as its factorization.

2978453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 2978453 is about 1725.8195154766. The cubic root of 2978453 is about 143.8788364802.

The spelling of 2978453 in words is "two million, nine hundred seventy-eight thousand, four hundred fifty-three".