42797541 has 4 divisors (see below), whose sum is σ = 57063392. Its totient is φ = 28531692.

The previous prime is 42797509. The next prime is 42797609. The reversal of 42797541 is 14579724.

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 not a de Polignac number, because 42797541 - 2⁵ = 42797509 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 42797541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42797441) 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, 7132921 + ... + 7132926.

It is an arithmetic number, because the mean of its divisors is an integer number (14265848).

Almost surely, 2^42797541 is an apocalyptic number.

It is an amenable number.

42797541 is a deficient number, since it is larger than the sum of its proper divisors (14265851).

42797541 is a wasteful number, since it uses less digits than its factorization.

42797541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14265850.

The product of its digits is 70560, while the sum is 39.

The square root of 42797541 is about 6541.9829562603. The cubic root of 42797541 is about 349.7891001543.

The spelling of 42797541 in words is "forty-two million, seven hundred ninety-seven thousand, five hundred forty-one".