273225400 has 48 divisors (see below), whose sum is σ = 726002640. Its totient is φ = 93676800.

The previous prime is 273225391. The next prime is 273225409. The reversal of 273225400 is 4522372.

It is an interprime number because it is at equal distance from previous prime (273225391) and next prime (273225409).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273225409) 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 11 ways as a sum of consecutive naturals, for example, 96181 + ... + 98980.

It is an arithmetic number, because the mean of its divisors is an integer number (15125055).

Almost surely, 2^273225400 is an apocalyptic number.

273225400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273225400 is an abundant number, since it is smaller than the sum of its proper divisors (452777240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

273225400 is a wasteful number, since it uses less digits than its factorization.

273225400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195184 (or 195175 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 273225400 is about 16529.5311488257. The cubic root of 273225400 is about 648.8938979114.

Adding to 273225400 its reverse (4522372), we get a palindrome (277747772).

The spelling of 273225400 in words is "two hundred seventy-three million, two hundred twenty-five thousand, four hundred".