545315251 has 16 divisors (see below), whose sum is σ = 599749920. Its totient is φ = 492710400.

The previous prime is 545315237. The next prime is 545315263. The reversal of 545315251 is 152513545.

It is not a de Polignac number, because 545315251 - 2¹⁵ = 545282483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545316251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453451 + ... + 454651.

It is an arithmetic number, because the mean of its divisors is an integer number (37484370).

Almost surely, 2^545315251 is an apocalyptic number.

545315251 is a deficient number, since it is larger than the sum of its proper divisors (54434669).

545315251 is a wasteful number, since it uses less digits than its factorization.

545315251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926.

The product of its digits is 15000, while the sum is 31.

The square root of 545315251 is about 23351.9860183240. The cubic root of 545315251 is about 816.9883831640.

Adding to 545315251 its reverse (152513545), we get a palindrome (697828796).

The spelling of 545315251 in words is "five hundred forty-five million, three hundred fifteen thousand, two hundred fifty-one".