235425012531 has 4 divisors (see below), whose sum is σ = 313900016712. Its totient is φ = 156950008352.

The previous prime is 235425012517. The next prime is 235425012539. The reversal of 235425012531 is 135210524532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 235425012531 - 2¹⁵ = 235424979763 is a prime.

It is a super-2 number, since 2×235425012531² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 235425012492 and 235425012501.

It is not an unprimeable number, because it can be changed into a prime (235425012539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39237502086 + ... + 39237502091.

It is an arithmetic number, because the mean of its divisors is an integer number (78475004178).

Almost surely, 2^235425012531 is an apocalyptic number.

235425012531 is a deficient number, since it is larger than the sum of its proper divisors (78475004181).

235425012531 is an equidigital number, since it uses as much as digits as its factorization.

235425012531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78475004180.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 235425012531 in words is "two hundred thirty-five billion, four hundred twenty-five million, twelve thousand, five hundred thirty-one".