42565250 has 64 divisors (see below), whose sum is σ = 98122752. Its totient is φ = 13464000.

The previous prime is 42565223. The next prime is 42565253. The reversal of 42565250 is 5256524.

It is not an unprimeable number, because it can be changed into a prime (42565253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21815 + ... + 23685.

It is an arithmetic number, because the mean of its divisors is an integer number (1533168).

Almost surely, 2^42565250 is an apocalyptic number.

42565250 is an abundant number, since it is smaller than the sum of its proper divisors (55557502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42565250 is a wasteful number, since it uses less digits than its factorization.

42565250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908 (or 1898 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 42565250 is about 6524.2049324036. The cubic root of 42565250 is about 349.1551049335.

The spelling of 42565250 in words is "forty-two million, five hundred sixty-five thousand, two hundred fifty".