244420525 has 6 divisors (see below), whose sum is σ = 303081482. Its totient is φ = 195536400.

The previous prime is 244420507. The next prime is 244420567. The reversal of 244420525 is 525024442.

It can be written as a sum of positive squares in 3 ways, for example, as 1247689 + 243172836 = 1117^2 + 15594^2 .

It is not a de Polignac number, because 244420525 - 2⁵ = 244420493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244420493 and 244420502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4888386 + ... + 4888435.

Almost surely, 2^244420525 is an apocalyptic number.

244420525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

244420525 is a deficient number, since it is larger than the sum of its proper divisors (58660957).

244420525 is an equidigital number, since it uses as much as digits as its factorization.

244420525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9776831 (or 9776826 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 244420525 is about 15633.9542342940. The cubic root of 244420525 is about 625.2387567807.

Adding to 244420525 its reverse (525024442), we get a palindrome (769444967).

The spelling of 244420525 in words is "two hundred forty-four million, four hundred twenty thousand, five hundred twenty-five".