545014251 has 14 divisors (see below), whose sum is σ = 817148660. Its totient is φ = 363342348.

The previous prime is 545014231. The next prime is 545014273. The reversal of 545014251 is 152410545.

It is not a de Polignac number, because 545014251 - 2⁵ = 545014219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545014201) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 373081 + ... + 374538.

Almost surely, 2^545014251 is an apocalyptic number.

545014251 is a deficient number, since it is larger than the sum of its proper divisors (272134409).

545014251 is an frugal number, since it uses more digits than its factorization.

545014251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747637 (or 747622 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 545014251 is about 23345.5402807474. The cubic root of 545014251 is about 816.8380366365.

Adding to 545014251 its reverse (152410545), we get a palindrome (697424796).

It can be divided in two parts, 5450 and 14251, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 545014251 in words is "five hundred forty-five million, fourteen thousand, two hundred fifty-one".