42577625 has 16 divisors (see below), whose sum is σ = 53668992. Its totient is φ = 33721200.

The previous prime is 42577607. The next prime is 42577631. The reversal of 42577625 is 52677524.

It is a happy number.

It is not a de Polignac number, because 42577625 - 2⁸ = 42577369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11222 + ... + 14528.

It is an arithmetic number, because the mean of its divisors is an integer number (3354312).

Almost surely, 2^42577625 is an apocalyptic number.

It is an amenable number.

42577625 is a deficient number, since it is larger than the sum of its proper divisors (11091367).

42577625 is a wasteful number, since it uses less digits than its factorization.

42577625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425 (or 3415 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 42577625 is about 6525.1532549052. The cubic root of 42577625 is about 349.1889382895.

The spelling of 42577625 in words is "forty-two million, five hundred seventy-seven thousand, six hundred twenty-five".