42025797 has 40 divisors (see below), whose sum is σ = 69312672. Its totient is φ = 25164000.

The previous prime is 42025793. The next prime is 42025831. The reversal of 42025797 is 79752024.

It is not a de Polignac number, because 42025797 - 2² = 42025793 is a prime.

It is a super-2 number, since 2×42025797² = 3532335226970418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42025793) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 89758 + ... + 90224.

Almost surely, 2^42025797 is an apocalyptic number.

It is an amenable number.

42025797 is a deficient number, since it is larger than the sum of its proper divisors (27286875).

42025797 is a wasteful number, since it uses less digits than its factorization.

42025797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 42025797 is about 6482.7306746463. The cubic root of 42025797 is about 347.6738174303.

It can be divided in two parts, 4202 and 5797, that added together give a palindrome (9999).

The spelling of 42025797 in words is "forty-two million, twenty-five thousand, seven hundred ninety-seven".