15325020434 has 4 divisors (see below), whose sum is σ = 22987530654. Its totient is φ = 7662510216.

The previous prime is 15325020433. The next prime is 15325020457. The reversal of 15325020434 is 43402052351.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 10680189025 + 4644831409 = 103345^2 + 68153^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15325020397 and 15325020406.

It is not an unprimeable number, because it can be changed into a prime (15325020433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3831255107 + ... + 3831255110.

Almost surely, 2^15325020434 is an apocalyptic number.

15325020434 is a deficient number, since it is larger than the sum of its proper divisors (7662510220).

15325020434 is an equidigital number, since it uses as much as digits as its factorization.

15325020434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7662510219.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 15325020434 its reverse (43402052351), we get a palindrome (58727072785).

The spelling of 15325020434 in words is "fifteen billion, three hundred twenty-five million, twenty thousand, four hundred thirty-four".