245013473 has 2 divisors, whose sum is σ = 245013474. Its totient is φ = 245013472.

The previous prime is 245013449. The next prime is 245013481. The reversal of 245013473 is 374310542.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176570944 + 68442529 = 13288^2 + 8273^2 .

It is a cyclic number.

It is not a de Polignac number, because 245013473 - 2⁸ = 245013217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (245019473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122506736 + 122506737.

It is an arithmetic number, because the mean of its divisors is an integer number (122506737).

Almost surely, 2^245013473 is an apocalyptic number.

It is an amenable number.

245013473 is a deficient number, since it is larger than the sum of its proper divisors (1).

245013473 is an equidigital number, since it uses as much as digits as its factorization.

245013473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 245013473 is about 15652.9062157799. The cubic root of 245013473 is about 625.7439444167.

The spelling of 245013473 in words is "two hundred forty-five million, thirteen thousand, four hundred seventy-three".