242556025 has 12 divisors (see below), whose sum is σ = 301480704. Its totient is φ = 193586000.

The previous prime is 242556023. The next prime is 242556089. The reversal of 242556025 is 520655242.

It is a happy number.

It is not a de Polignac number, because 242556025 - 2¹ = 242556023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242556023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481 + ... + 22030.

It is an arithmetic number, because the mean of its divisors is an integer number (25123392).

Almost surely, 2^242556025 is an apocalyptic number.

242556025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242556025 is a deficient number, since it is larger than the sum of its proper divisors (58924679).

242556025 is a wasteful number, since it uses less digits than its factorization.

242556025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22952 (or 22947 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 242556025 is about 15574.2102528507. The cubic root of 242556025 is about 623.6448719282.

The spelling of 242556025 in words is "two hundred forty-two million, five hundred fifty-six thousand, twenty-five".