42601625 has 16 divisors (see below), whose sum is σ = 58002048. Its totient is φ = 30982000.

The previous prime is 42601621. The next prime is 42601627. The reversal of 42601625 is 52610624.

It is not a de Polignac number, because 42601625 - 2² = 42601621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42601594 and 42601603.

It is not an unprimeable number, because it can be changed into a prime (42601621) 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, 14117 + ... + 16866.

It is an arithmetic number, because the mean of its divisors is an integer number (3625128).

Almost surely, 2^42601625 is an apocalyptic number.

It is an amenable number.

42601625 is a deficient number, since it is larger than the sum of its proper divisors (15400423).

42601625 is a wasteful number, since it uses less digits than its factorization.

42601625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31009 (or 30999 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 42601625 is about 6526.9920330884. The cubic root of 42601625 is about 349.2545358138.

It can be divided in two parts, 4260 and 1625, that added together give a palindrome (5885).

The spelling of 42601625 in words is "forty-two million, six hundred one thousand, six hundred twenty-five".