253407204547 has 12 divisors (see below), whose sum is σ = 298931641776. Its totient is φ = 214146930480.

The previous prime is 253407204541. The next prime is 253407204587. The reversal of 253407204547 is 745402704352.

It is not a de Polignac number, because 253407204547 - 2¹⁹ = 253406680259 is a prime.

It is a super-2 number, since 2×253407204547² (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 (253407204541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36416068 + ... + 36423025.

It is an arithmetic number, because the mean of its divisors is an integer number (24910970148).

Almost surely, 2^253407204547 is an apocalyptic number.

253407204547 is a deficient number, since it is larger than the sum of its proper divisors (45524437229).

253407204547 is an equidigital number, since it uses as much as digits as its factorization.

253407204547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72839178 (or 72839171 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 43.

Adding to 253407204547 its reverse (745402704352), we get a palindrome (998809908899).

The spelling of 253407204547 in words is "two hundred fifty-three billion, four hundred seven million, two hundred four thousand, five hundred forty-seven".