245401573 has 2 divisors, whose sum is σ = 245401574. Its totient is φ = 245401572.

The previous prime is 245401493. The next prime is 245401577. The reversal of 245401573 is 375104542.

245401573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234916929 + 10484644 = 15327^2 + 3238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245401573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245401577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122700786 + 122700787.

It is an arithmetic number, because the mean of its divisors is an integer number (122700787).

Almost surely, 2^245401573 is an apocalyptic number.

It is an amenable number.

245401573 is a deficient number, since it is larger than the sum of its proper divisors (1).

245401573 is an equidigital number, since it uses as much as digits as its factorization.

245401573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 245401573 is about 15665.2983693257. The cubic root of 245401573 is about 626.0741617847.

The spelling of 245401573 in words is "two hundred forty-five million, four hundred one thousand, five hundred seventy-three".