245436403 has 2 divisors, whose sum is σ = 245436404. Its totient is φ = 245436402.

The previous prime is 245436391. The next prime is 245436409. The reversal of 245436403 is 304634542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245436403 - 2⁹ = 245435891 is a prime.

It is not a weakly prime, because it can be changed into another prime (245436409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122718201 + 122718202.

It is an arithmetic number, because the mean of its divisors is an integer number (122718202).

Almost surely, 2^245436403 is an apocalyptic number.

245436403 is a deficient number, since it is larger than the sum of its proper divisors (1).

245436403 is an equidigital number, since it uses as much as digits as its factorization.

245436403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 245436403 is about 15666.4100227206. The cubic root of 245436403 is about 626.1037800837.

The spelling of 245436403 in words is "two hundred forty-five million, four hundred thirty-six thousand, four hundred three".