42025577 has 16 divisors (see below), whose sum is σ = 48964608. Its totient is φ = 35684880.

The previous prime is 42025573. The next prime is 42025579. The reversal of 42025577 is 77552024.

It is not a de Polignac number, because 42025577 - 2² = 42025573 is a prime.

It is a super-2 number, since 2×42025577² = 3532298244365858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42025573) 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, 8948 + ... + 12810.

It is an arithmetic number, because the mean of its divisors is an integer number (3060288).

Almost surely, 2^42025577 is an apocalyptic number.

It is an amenable number.

42025577 is a deficient number, since it is larger than the sum of its proper divisors (6939031).

42025577 is a wasteful number, since it uses less digits than its factorization.

42025577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 42025577 is about 6482.7137064658. The cubic root of 42025577 is about 347.6732107524.

It can be divided in two parts, 4202 and 5577, that added together give a palindrome (9779).

The spelling of 42025577 in words is "forty-two million, twenty-five thousand, five hundred seventy-seven".