42995297 has 4 divisors (see below), whose sum is σ = 43014036. Its totient is φ = 42976560.

The previous prime is 42995269. The next prime is 42995299. The reversal of 42995297 is 79259924.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 602176 + 42393121 = 776^2 + 6511^2 .

It is a cyclic number.

It is not a de Polignac number, because 42995297 - 2⁸ = 42995041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42995299) 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, 5354 + ... + 10707.

It is an arithmetic number, because the mean of its divisors is an integer number (10753509).

Almost surely, 2^42995297 is an apocalyptic number.

42995297 is the 5354-th pentagonal number.

It is an amenable number.

42995297 is a deficient number, since it is larger than the sum of its proper divisors (18739).

42995297 is a wasteful number, since it uses less digits than its factorization.

42995297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18738.

The product of its digits is 408240, while the sum is 47.

The square root of 42995297 is about 6557.0799141081. The cubic root of 42995297 is about 350.3270331070.

The spelling of 42995297 in words is "forty-two million, nine hundred ninety-five thousand, two hundred ninety-seven".