42468997 has 2 divisors, whose sum is σ = 42468998. Its totient is φ = 42468996.

The previous prime is 42468973. The next prime is 42469001. The reversal of 42468997 is 79986424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30813601 + 11655396 = 5551^2 + 3414^2 .

It is a cyclic number.

It is not a de Polignac number, because 42468997 - 2⁷ = 42468869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42468997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42468917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21234498 + 21234499.

It is an arithmetic number, because the mean of its divisors is an integer number (21234499).

Almost surely, 2^42468997 is an apocalyptic number.

It is an amenable number.

42468997 is a deficient number, since it is larger than the sum of its proper divisors (1).

42468997 is an equidigital number, since it uses as much as digits as its factorization.

42468997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 42468997 is about 6516.8241498448. The cubic root of 42468997 is about 348.8917242787.

The spelling of 42468997 in words is "forty-two million, four hundred sixty-eight thousand, nine hundred ninety-seven".