42511477 has 16 divisors (see below), whose sum is σ = 45714240. Its totient is φ = 39457152.

The previous prime is 42511457. The next prime is 42511489. The reversal of 42511477 is 77411524.

It is a cyclic number.

It is not a de Polignac number, because 42511477 - 2⁷ = 42511349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42511457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90798 + ... + 91264.

It is an arithmetic number, because the mean of its divisors is an integer number (2857140).

Almost surely, 2^42511477 is an apocalyptic number.

It is an amenable number.

42511477 is a deficient number, since it is larger than the sum of its proper divisors (3202763).

42511477 is a wasteful number, since it uses less digits than its factorization.

42511477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its digits is 7840, while the sum is 31.

The square root of 42511477 is about 6520.0825915014. The cubic root of 42511477 is about 349.0080128865.

The spelling of 42511477 in words is "forty-two million, five hundred eleven thousand, four hundred seventy-seven".