42515297 has 8 divisors (see below), whose sum is σ = 47034432. Its totient is φ = 38105200.

The previous prime is 42515287. The next prime is 42515309. The reversal of 42515297 is 79251524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42515297 - 2¹⁴ = 42498913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42515267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26438 + ... + 27999.

It is an arithmetic number, because the mean of its divisors is an integer number (5879304).

Almost surely, 2^42515297 is an apocalyptic number.

It is an amenable number.

42515297 is a deficient number, since it is larger than the sum of its proper divisors (4519135).

42515297 is a wasteful number, since it uses less digits than its factorization.

42515297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54519.

The product of its digits is 25200, while the sum is 35.

The square root of 42515297 is about 6520.3755259954. The cubic root of 42515297 is about 349.0184663042.

The spelling of 42515297 in words is "forty-two million, five hundred fifteen thousand, two hundred ninety-seven".