545252487131 has 8 divisors (see below), whose sum is σ = 594866677104. Its totient is φ = 495645927520.

The previous prime is 545252487127. The next prime is 545252487133. The reversal of 545252487131 is 131784252545.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545252487131 - 2² = 545252487127 is a prime.

It is a super-2 number, since 2×545252487131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545252487133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1757660 + ... + 2044473.

It is an arithmetic number, because the mean of its divisors is an integer number (74358334638).

Almost surely, 2^545252487131 is an apocalyptic number.

545252487131 is a deficient number, since it is larger than the sum of its proper divisors (49614189973).

545252487131 is a wasteful number, since it uses less digits than its factorization.

545252487131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815181.

The product of its digits is 1344000, while the sum is 47.

The spelling of 545252487131 in words is "five hundred forty-five billion, two hundred fifty-two million, four hundred eighty-seven thousand, one hundred thirty-one".