42325649 has 4 divisors (see below), whose sum is σ = 42579264. Its totient is φ = 42072036.

The previous prime is 42325607. The next prime is 42325651. The reversal of 42325649 is 94652324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42325649 - 2²⁰ = 41277073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42325249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126557 + ... + 126890.

It is an arithmetic number, because the mean of its divisors is an integer number (10644816).

Almost surely, 2^42325649 is an apocalyptic number.

It is an amenable number.

42325649 is a deficient number, since it is larger than the sum of its proper divisors (253615).

42325649 is a wasteful number, since it uses less digits than its factorization.

42325649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253614.

The product of its digits is 51840, while the sum is 35.

The square root of 42325649 is about 6505.8165513639. The cubic root of 42325649 is about 348.4987371534.

The spelling of 42325649 in words is "forty-two million, three hundred twenty-five thousand, six hundred forty-nine".