42587465 has 8 divisors (see below), whose sum is σ = 54111240. Its totient is φ = 32065792.

The previous prime is 42587443. The next prime is 42587471. The reversal of 42587465 is 56478524.

It can be written as a sum of positive squares in 4 ways, for example, as 2493241 + 40094224 = 1579^2 + 6332^2 .

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 42587465 - 2⁶ = 42587401 is a prime.

It is a super-3 number, since 3×42587465³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250430 + ... + 250599.

It is an arithmetic number, because the mean of its divisors is an integer number (6763905).

Almost surely, 2^42587465 is an apocalyptic number.

It is an amenable number.

42587465 is a deficient number, since it is larger than the sum of its proper divisors (11523775).

42587465 is a wasteful number, since it uses less digits than its factorization.

42587465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501051.

The product of its digits is 268800, while the sum is 41.

The square root of 42587465 is about 6525.9072166251. The cubic root of 42587465 is about 349.2158362552.

The spelling of 42587465 in words is "forty-two million, five hundred eighty-seven thousand, four hundred sixty-five".