245743713 has 14 divisors (see below), whose sum is σ = 368448114. Its totient is φ = 163828656.

The previous prime is 245743711. The next prime is 245743741. The reversal of 245743713 is 317347542.

It can be written as a sum of positive squares in only one way, i.e., 156950784 + 88792929 = 12528^2 + 9423^2 .

It is not a de Polignac number, because 245743713 - 2¹ = 245743711 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245743711) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 167820 + ... + 169277.

Almost surely, 2^245743713 is an apocalyptic number.

It is an amenable number.

245743713 is a deficient number, since it is larger than the sum of its proper divisors (122704401).

245743713 is an frugal number, since it uses more digits than its factorization.

245743713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337115 (or 337100 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 245743713 is about 15676.2148811504. The cubic root of 245743713 is about 626.3649851613.

The spelling of 245743713 in words is "two hundred forty-five million, seven hundred forty-three thousand, seven hundred thirteen".