42592649 has 4 divisors (see below), whose sum is σ = 46464720. Its totient is φ = 38720580.

The previous prime is 42592643. The next prime is 42592651. The reversal of 42592649 is 94629524.

It is a happy number.

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 42592649 - 2⁸ = 42592393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42592643) 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, 1936019 + ... + 1936040.

It is an arithmetic number, because the mean of its divisors is an integer number (11616180).

Almost surely, 2^42592649 is an apocalyptic number.

It is an amenable number.

42592649 is a deficient number, since it is larger than the sum of its proper divisors (3872071).

42592649 is a wasteful number, since it uses less digits than its factorization.

42592649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872070.

The product of its digits is 155520, while the sum is 41.

The square root of 42592649 is about 6526.3043906946. The cubic root of 42592649 is about 349.2300052244.

The spelling of 42592649 in words is "forty-two million, five hundred ninety-two thousand, six hundred forty-nine".