2355403 has 2 divisors, whose sum is σ = 2355404. Its totient is φ = 2355402.

The previous prime is 2355389. The next prime is 2355433. The reversal of 2355403 is 3045532.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2355403 is a prime.

It is not a weakly prime, because it can be changed into another prime (2355433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1177701 + 1177702.

It is an arithmetic number, because the mean of its divisors is an integer number (1177702).

2^2355403 is an apocalyptic number.

2355403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2355403 is an equidigital number, since it uses as much as digits as its factorization.

2355403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 2355403 is about 1534.7322242007. The cubic root of 2355403 is about 133.0521023745.

The spelling of 2355403 in words is "two million, three hundred fifty-five thousand, four hundred three".