42692453 has 2 divisors, whose sum is σ = 42692454. Its totient is φ = 42692452.

The previous prime is 42692443. The next prime is 42692477. The reversal of 42692453 is 35429624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36457444 + 6235009 = 6038^2 + 2497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42692453 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42692443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21346226 + 21346227.

It is an arithmetic number, because the mean of its divisors is an integer number (21346227).

Almost surely, 2^42692453 is an apocalyptic number.

It is an amenable number.

42692453 is a deficient number, since it is larger than the sum of its proper divisors (1).

42692453 is an equidigital number, since it uses as much as digits as its factorization.

42692453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 42692453 is about 6533.9462042475. The cubic root of 42692453 is about 349.5025668336.

The spelling of 42692453 in words is "forty-two million, six hundred ninety-two thousand, four hundred fifty-three".