243125501425 has 12 divisors (see below), whose sum is σ = 314583258240. Its totient is φ = 186043861520.

The previous prime is 243125501417. The next prime is 243125501477. The reversal of 243125501425 is 524105521342.

It is a happy number.

It is not a de Polignac number, because 243125501425 - 2³ = 243125501417 is a prime.

It is a super-2 number, since 2×243125501425² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211412905 + ... + 211414054.

It is an arithmetic number, because the mean of its divisors is an integer number (26215271520).

Almost surely, 2^243125501425 is an apocalyptic number.

243125501425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243125501425 is a deficient number, since it is larger than the sum of its proper divisors (71457756815).

243125501425 is a wasteful number, since it uses less digits than its factorization.

243125501425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422826992 (or 422826987 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 243125501425 in words is "two hundred forty-three billion, one hundred twenty-five million, five hundred one thousand, four hundred twenty-five".