53245403 has 2 divisors, whose sum is σ = 53245404. Its totient is φ = 53245402.

The previous prime is 53245327. The next prime is 53245427. The reversal of 53245403 is 30454235.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53245403 - 2¹⁴ = 53229019 is a prime.

It is not a weakly prime, because it can be changed into another prime (53245453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26622701 + 26622702.

It is an arithmetic number, because the mean of its divisors is an integer number (26622702).

Almost surely, 2^53245403 is an apocalyptic number.

53245403 is a deficient number, since it is larger than the sum of its proper divisors (1).

53245403 is an equidigital number, since it uses as much as digits as its factorization.

53245403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 53245403 is about 7296.9447716150. The cubic root of 53245403 is about 376.2074337338.

Adding to 53245403 its reverse (30454235), we get a palindrome (83699638).

The spelling of 53245403 in words is "fifty-three million, two hundred forty-five thousand, four hundred three".