245416453 has 2 divisors, whose sum is σ = 245416454. Its totient is φ = 245416452.

The previous prime is 245416441. The next prime is 245416513. The reversal of 245416453 is 354614542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229280164 + 16136289 = 15142^2 + 4017^2 .

It is a cyclic number.

It is not a de Polignac number, because 245416453 - 2⁹ = 245415941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245416253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122708226 + 122708227.

It is an arithmetic number, because the mean of its divisors is an integer number (122708227).

Almost surely, 2^245416453 is an apocalyptic number.

It is an amenable number.

245416453 is a deficient number, since it is larger than the sum of its proper divisors (1).

245416453 is an equidigital number, since it uses as much as digits as its factorization.

245416453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 34.

The square root of 245416453 is about 15665.7732972235. The cubic root of 245416453 is about 626.0868155955.

The spelling of 245416453 in words is "two hundred forty-five million, four hundred sixteen thousand, four hundred fifty-three".