245514731 has 16 divisors (see below), whose sum is σ = 324103680. Its totient is φ = 180055680.

The previous prime is 245514671. The next prime is 245514757. The reversal of 245514731 is 137415542.

245514731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245514731 - 2¹⁴ = 245498347 is a prime.

It is a super-2 number, since 2×245514731² = 120554966276004722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245514781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92471 + ... + 95088.

It is an arithmetic number, because the mean of its divisors is an integer number (20256480).

Almost surely, 2^245514731 is an apocalyptic number.

245514731 is a deficient number, since it is larger than the sum of its proper divisors (78588949).

245514731 is a wasteful number, since it uses less digits than its factorization.

245514731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187594.

The product of its digits is 16800, while the sum is 32.

The square root of 245514731 is about 15668.9096940406. The cubic root of 245514731 is about 626.1703774320.

The spelling of 245514731 in words is "two hundred forty-five million, five hundred fourteen thousand, seven hundred thirty-one".