242250025 has 12 divisors (see below), whose sum is σ = 304011792. Its totient is φ = 191463440.

The previous prime is 242250013. The next prime is 242250049. The reversal of 242250025 is 520052242.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-242250025 is a prime.

It is a super-2 number, since 2×242250025² = 117370149225001250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242249978 and 242250005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56299 + ... + 60448.

It is an arithmetic number, because the mean of its divisors is an integer number (25334316).

Almost surely, 2^242250025 is an apocalyptic number.

242250025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242250025 is a deficient number, since it is larger than the sum of its proper divisors (61761767).

242250025 is a wasteful number, since it uses less digits than its factorization.

242250025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116840 (or 116835 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 242250025 is about 15564.3832193891. The cubic root of 242250025 is about 623.3825055499.

The spelling of 242250025 in words is "two hundred forty-two million, two hundred fifty thousand, twenty-five".