242454653 has 4 divisors (see below), whose sum is σ = 277091040. Its totient is φ = 207818268.

The previous prime is 242454647. The next prime is 242454671. The reversal of 242454653 is 356454242.

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 not a de Polignac number, because 242454653 - 2¹⁶ = 242389117 is a prime.

It is a super-2 number, since 2×242454653² = 117568517522700818, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242454643) 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, 17318183 + ... + 17318196.

It is an arithmetic number, because the mean of its divisors is an integer number (69272760).

Almost surely, 2^242454653 is an apocalyptic number.

It is an amenable number.

242454653 is a deficient number, since it is larger than the sum of its proper divisors (34636387).

242454653 is an equidigital number, since it uses as much as digits as its factorization.

242454653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34636386.

The product of its digits is 115200, while the sum is 35.

The square root of 242454653 is about 15570.9554299022. The cubic root of 242454653 is about 623.5579793745.

The spelling of 242454653 in words is "two hundred forty-two million, four hundred fifty-four thousand, six hundred fifty-three".