545025305031 has 4 divisors (see below), whose sum is σ = 726700406712. Its totient is φ = 363350203352.

The previous prime is 545025305029. The next prime is 545025305051. The reversal of 545025305031 is 130503520545.

It is a happy number.

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 545025305031 - 2¹ = 545025305029 is a prime.

It is a super-2 number, since 2×545025305031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 545025304983 and 545025305001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545025305051) 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, 90837550836 + ... + 90837550841.

It is an arithmetic number, because the mean of its divisors is an integer number (181675101678).

Almost surely, 2^545025305031 is an apocalyptic number.

545025305031 is a deficient number, since it is larger than the sum of its proper divisors (181675101681).

545025305031 is a wasteful number, since it uses less digits than its factorization.

545025305031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181675101680.

The product of its (nonzero) digits is 45000, while the sum is 33.

Adding to 545025305031 its reverse (130503520545), we get a palindrome (675528825576).

The spelling of 545025305031 in words is "five hundred forty-five billion, twenty-five million, three hundred five thousand, thirty-one".