42825461 has 6 divisors (see below), whose sum is σ = 49817430. Its totient is φ = 36707496.

The previous prime is 42825451. The next prime is 42825473. The reversal of 42825461 is 16452824.

It can be written as a sum of positive squares in only one way, i.e., 32547025 + 10278436 = 5705^2 + 3206^2 .

It is not a de Polignac number, because 42825461 - 2¹⁰ = 42824437 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 (42825451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 436946 + ... + 437043.

It is an arithmetic number, because the mean of its divisors is an integer number (8302905).

Almost surely, 2^42825461 is an apocalyptic number.

It is an amenable number.

42825461 is a deficient number, since it is larger than the sum of its proper divisors (6991969).

42825461 is an equidigital number, since it uses as much as digits as its factorization.

42825461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874003 (or 873996 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 42825461 is about 6544.1165179113. The cubic root of 42825461 is about 349.8651480494.

The spelling of 42825461 in words is "forty-two million, eight hundred twenty-five thousand, four hundred sixty-one".