242564250 has 32 divisors (see below), whose sum is σ = 605442240. Its totient is φ = 64683600.

The previous prime is 242564239. The next prime is 242564261. The reversal of 242564250 is 52465242.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (242564239) and next prime (242564261).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160960 + ... + 162459.

It is an arithmetic number, because the mean of its divisors is an integer number (18920070).

Almost surely, 2^242564250 is an apocalyptic number.

242564250 is an abundant number, since it is smaller than the sum of its proper divisors (362877990).

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

242564250 is a wasteful number, since it uses less digits than its factorization.

242564250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323439 (or 323429 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 242564250 is about 15574.4743089454. The cubic root of 242564250 is about 623.6519210503.

The spelling of 242564250 in words is "two hundred forty-two million, five hundred sixty-four thousand, two hundred fifty".