42496897 has 4 divisors (see below), whose sum is σ = 42684336. Its totient is φ = 42309460.

The previous prime is 42496879. The next prime is 42496963. The reversal of 42496897 is 79869424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42496897 - 2²³ = 34108289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42496897.

It is not an unprimeable number, because it can be changed into a prime (42496807) 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, 93379 + ... + 93832.

It is an arithmetic number, because the mean of its divisors is an integer number (10671084).

Almost surely, 2^42496897 is an apocalyptic number.

It is an amenable number.

42496897 is a deficient number, since it is larger than the sum of its proper divisors (187439).

42496897 is a wasteful number, since it uses less digits than its factorization.

42496897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187438.

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

The square root of 42496897 is about 6518.9644116224. The cubic root of 42496897 is about 348.9681090062.

The spelling of 42496897 in words is "forty-two million, four hundred ninety-six thousand, eight hundred ninety-seven".