545410531 has 4 divisors (see below), whose sum is σ = 545838912. Its totient is φ = 544982152.

The previous prime is 545410499. The next prime is 545410583. The reversal of 545410531 is 135014545.

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 545410531 - 2⁵ = 545410499 is a prime.

It is a super-2 number, since 2×545410531² = 594945294651403922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545410531.

It is not an unprimeable number, because it can be changed into a prime (545410631) 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, 212275 + ... + 214828.

It is an arithmetic number, because the mean of its divisors is an integer number (136459728).

Almost surely, 2^545410531 is an apocalyptic number.

545410531 is a deficient number, since it is larger than the sum of its proper divisors (428381).

545410531 is a wasteful number, since it uses less digits than its factorization.

545410531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428380.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 545410531 is about 23354.0260126600. The cubic root of 545410531 is about 817.0359630546.

The spelling of 545410531 in words is "five hundred forty-five million, four hundred ten thousand, five hundred thirty-one".