242442025 has 12 divisors (see below), whose sum is σ = 343575232. Its totient is φ = 166245840.

The previous prime is 242441989. The next prime is 242442029. The reversal of 242442025 is 520244242.

It is not a de Polignac number, because 242442025 - 2¹³ = 242433833 is a prime.

It is a super-2 number, since 2×242442025² = 117556270972201250, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (242442029) 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, 692517 + ... + 692866.

Almost surely, 2^242442025 is an apocalyptic number.

242442025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242442025 is a deficient number, since it is larger than the sum of its proper divisors (101133207).

242442025 is a wasteful number, since it uses less digits than its factorization.

242442025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385400 (or 1385395 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 242442025 is about 15570.5499260623. The cubic root of 242442025 is about 623.5471533956.

Adding to 242442025 its reverse (520244242), we get a palindrome (762686267).

The spelling of 242442025 in words is "two hundred forty-two million, four hundred forty-two thousand, twenty-five".