232521113510425 has 6 divisors (see below), whose sum is σ = 288326180752958. Its totient is φ = 186016890808320.

The previous prime is 232521113510381. The next prime is 232521113510461. The reversal of 232521113510425 is 524015311125232.

It is a happy number.

232521113510425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 73481875632649 + 159039237877776 = 8572157^2 + 12611076^2 .

It is not a de Polignac number, because 232521113510425 - 2¹³ = 232521113502233 is a prime.

It is a super-3 number, since 3×232521113510425³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4650422270184 + ... + 4650422270233.

Almost surely, 2^{232521113510425} is an apocalyptic number.

232521113510425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

232521113510425 is a deficient number, since it is larger than the sum of its proper divisors (55805067242533).

232521113510425 is an equidigital number, since it uses as much as digits as its factorization.

232521113510425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9300844540427 (or 9300844540422 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 232521113510425 its reverse (524015311125232), we get a palindrome (756536424635657).

The spelling of 232521113510425 in words is "two hundred thirty-two trillion, five hundred twenty-one billion, one hundred thirteen million, five hundred ten thousand, four hundred twenty-five".