245736574425 has 18 divisors (see below), whose sum is σ = 440141509262. Its totient is φ = 131059506240.

The previous prime is 245736574417. The next prime is 245736574429. The reversal of 245736574425 is 524475637542.

245736574425 is a `hidden beast` number, since 2 + 4 + 573 + 6 + 5 + 7 + 44 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 57364082064 + 188372492361 = 239508^2 + 434019^2 .

It is not a de Polignac number, because 245736574425 - 2³ = 245736574417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245736574429) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 546081052 + ... + 546081501.

Almost surely, 2^245736574425 is an apocalyptic number.

245736574425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245736574425 is a deficient number, since it is larger than the sum of its proper divisors (194404934837).

245736574425 is a wasteful number, since it uses less digits than its factorization.

245736574425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092162569 (or 1092162561 counting only the distinct ones).

The product of its digits is 28224000, while the sum is 54.

The spelling of 245736574425 in words is "two hundred forty-five billion, seven hundred thirty-six million, five hundred seventy-four thousand, four hundred twenty-five".