42547461 has 16 divisors (see below), whose sum is σ = 62130240. Its totient is φ = 25685120.

The previous prime is 42547459. The next prime is 42547501. The reversal of 42547461 is 16474524.

It is a cyclic number.

It is not a de Polignac number, because 42547461 - 2¹ = 42547459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42547451) 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, 6481 + ... + 11273.

It is an arithmetic number, because the mean of its divisors is an integer number (3883140).

Almost surely, 2^42547461 is an apocalyptic number.

It is an amenable number.

42547461 is a deficient number, since it is larger than the sum of its proper divisors (19582779).

42547461 is a wasteful number, since it uses less digits than its factorization.

42547461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076.

The product of its digits is 26880, while the sum is 33.

The square root of 42547461 is about 6522.8414820537. The cubic root of 42547461 is about 349.1064581648.

The spelling of 42547461 in words is "forty-two million, five hundred forty-seven thousand, four hundred sixty-one".