245470057 has 6 divisors (see below), whose sum is σ = 285546858. Its totient is φ = 210402864.

The previous prime is 245470051. The next prime is 245470061. The reversal of 245470057 is 750074542.

245470057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 201526416 + 43943641 = 14196^2 + 6629^2 .

It is not a de Polignac number, because 245470057 - 2¹¹ = 245468009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245470051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2504748 + ... + 2504845.

It is an arithmetic number, because the mean of its divisors is an integer number (47591143).

Almost surely, 2^245470057 is an apocalyptic number.

It is an amenable number.

245470057 is a deficient number, since it is larger than the sum of its proper divisors (40076801).

245470057 is an equidigital number, since it uses as much as digits as its factorization.

245470057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009607 (or 5009600 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 245470057 is about 15667.4840673287. The cubic root of 245470057 is about 626.1323956889.

The spelling of 245470057 in words is "two hundred forty-five million, four hundred seventy thousand, fifty-seven".