545265131 has 4 divisors (see below), whose sum is σ = 545557200. Its totient is φ = 544973064.

The previous prime is 545265101. The next prime is 545265137. The reversal of 545265131 is 131562545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131562545 = 5 ⋅26312509.

It is a cyclic number.

It is not a de Polignac number, because 545265131 - 2⁶ = 545265067 is a prime.

It is a super-2 number, since 2×545265131² = 594628126168894322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545265137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143216 + ... + 146973.

It is an arithmetic number, because the mean of its divisors is an integer number (136389300).

Almost surely, 2^545265131 is an apocalyptic number.

545265131 is a deficient number, since it is larger than the sum of its proper divisors (292069).

545265131 is a wasteful number, since it uses less digits than its factorization.

545265131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292068.

The product of its digits is 18000, while the sum is 32.

The square root of 545265131 is about 23350.9128515354. The cubic root of 545265131 is about 816.9633525588.

The spelling of 545265131 in words is "five hundred forty-five million, two hundred sixty-five thousand, one hundred thirty-one".