52431813425 has 24 divisors (see below), whose sum is σ = 66320370552. Its totient is φ = 41108544000.

The previous prime is 52431813419. The next prime is 52431813431.

52431813425 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (52431813419) and next prime (52431813431).

It can be written as a sum of positive squares in 12 ways, for example, as 38018370289 + 14413443136 = 194983^2 + 120056^2 .

It is not a de Polignac number, because 52431813425 - 2⁶ = 52431813361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 360365 + ... + 484485.

It is an arithmetic number, because the mean of its divisors is an integer number (2763348773).

Almost surely, 2^52431813425 is an apocalyptic number.

It is an amenable number.

52431813425 is a deficient number, since it is larger than the sum of its proper divisors (13888557127).

52431813425 is a wasteful number, since it uses less digits than its factorization.

52431813425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124469 (or 124464 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The spelling of 52431813425 in words is "fifty-two billion, four hundred thirty-one million, eight hundred thirteen thousand, four hundred twenty-five".