42262425 has 96 divisors (see below), whose sum is σ = 85708800. Its totient is φ = 20321280.

The previous prime is 42262397. The next prime is 42262427. The reversal of 42262425 is 52426224.

It is a happy number.

It is not a de Polignac number, because 42262425 - 2⁶ = 42262361 is a prime.

It is a super-2 number, since 2×42262425² = 3572225133761250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (7680) is a multiple of the sum of its prime factors (192).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42262427) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 332712 + ... + 332838.

It is an arithmetic number, because the mean of its divisors is an integer number (892800).

Almost surely, 2^42262425 is an apocalyptic number.

42262425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42262425 is an abundant number, since it is smaller than the sum of its proper divisors (43446375).

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

42262425 is a wasteful number, since it uses less digits than its factorization.

42262425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 181 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 42262425 is about 6500.9556989723. The cubic root of 42262425 is about 348.3251271822.

Adding to 42262425 its reverse (52426224), we get a palindrome (94688649).

The spelling of 42262425 in words is "forty-two million, two hundred sixty-two thousand, four hundred twenty-five".