242625469 has 2 divisors, whose sum is σ = 242625470. Its totient is φ = 242625468.

The previous prime is 242625457. The next prime is 242625541. The reversal of 242625469 is 964526242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235254244 + 7371225 = 15338^2 + 2715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242625469 is a prime.

It is a super-2 number, since 2×242625469² = 117734236414939922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242625419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121312734 + 121312735.

It is an arithmetic number, because the mean of its divisors is an integer number (121312735).

Almost surely, 2^242625469 is an apocalyptic number.

It is an amenable number.

242625469 is a deficient number, since it is larger than the sum of its proper divisors (1).

242625469 is an equidigital number, since it uses as much as digits as its factorization.

242625469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 40.

The square root of 242625469 is about 15576.4395482408. The cubic root of 242625469 is about 623.7043829382.

The spelling of 242625469 in words is "two hundred forty-two million, six hundred twenty-five thousand, four hundred sixty-nine".