242625769 has 4 divisors (see below), whose sum is σ = 242797696. Its totient is φ = 242453844.

The previous prime is 242625749. The next prime is 242625787. The reversal of 242625769 is 967526242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242625769 - 2¹³ = 242617577 is a prime.

It is a super-2 number, since 2×242625769² = 117734527565682722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242625739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83829 + ... + 86674.

It is an arithmetic number, because the mean of its divisors is an integer number (60699424).

Almost surely, 2^242625769 is an apocalyptic number.

It is an amenable number.

242625769 is a deficient number, since it is larger than the sum of its proper divisors (171927).

242625769 is a wasteful number, since it uses less digits than its factorization.

242625769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171926.

The product of its digits is 362880, while the sum is 43.

The square root of 242625769 is about 15576.4491781664. The cubic root of 242625769 is about 623.7046400027.

The spelling of 242625769 in words is "two hundred forty-two million, six hundred twenty-five thousand, seven hundred sixty-nine".