242510407 has 2 divisors, whose sum is σ = 242510408. Its totient is φ = 242510406.

The previous prime is 242510371. The next prime is 242510417. The reversal of 242510407 is 704015242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242510407 is a prime.

It is a super-2 number, since 2×242510407² = 117622595006611298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242510417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121255203 + 121255204.

It is an arithmetic number, because the mean of its divisors is an integer number (121255204).

Almost surely, 2^242510407 is an apocalyptic number.

242510407 is a deficient number, since it is larger than the sum of its proper divisors (1).

242510407 is an equidigital number, since it uses as much as digits as its factorization.

242510407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 242510407 is about 15572.7456474444. The cubic root of 242510407 is about 623.6057727614.

Adding to 242510407 its reverse (704015242), we get a palindrome (946525649).

The spelling of 242510407 in words is "two hundred forty-two million, five hundred ten thousand, four hundred seven".