245525473 has 2 divisors, whose sum is σ = 245525474. Its totient is φ = 245525472.

The previous prime is 245525471. The next prime is 245525477. The reversal of 245525473 is 374525542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167521249 + 78004224 = 12943^2 + 8832^2 .

It is a cyclic number.

It is not a de Polignac number, because 245525473 - 2¹ = 245525471 is a prime.

Together with 245525471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (245525471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122762736 + 122762737.

It is an arithmetic number, because the mean of its divisors is an integer number (122762737).

Almost surely, 2^245525473 is an apocalyptic number.

It is an amenable number.

245525473 is a deficient number, since it is larger than the sum of its proper divisors (1).

245525473 is an equidigital number, since it uses as much as digits as its factorization.

245525473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168000, while the sum is 37.

The square root of 245525473 is about 15669.2524710019. The cubic root of 245525473 is about 626.1795095712.

The spelling of 245525473 in words is "two hundred forty-five million, five hundred twenty-five thousand, four hundred seventy-three".