42514225 has 24 divisors (see below), whose sum is σ = 57105720. Its totient is φ = 31211520.

The previous prime is 42514223. The next prime is 42514243. The reversal of 42514225 is 52241524.

It can be written as a sum of positive squares in 12 ways, for example, as 2217121 + 40297104 = 1489^2 + 6348^2 .

It is not a de Polignac number, because 42514225 - 2¹ = 42514223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 42514225.

It is not an unprimeable number, because it can be changed into a prime (42514223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83271 + ... + 83779.

It is an arithmetic number, because the mean of its divisors is an integer number (2379405).

Almost surely, 2^42514225 is an apocalyptic number.

It is an amenable number.

42514225 is a deficient number, since it is larger than the sum of its proper divisors (14591495).

42514225 is a wasteful number, since it uses less digits than its factorization.

42514225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 784 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 42514225 is about 6520.2933216229. The cubic root of 42514225 is about 349.0155328429.

Adding to 42514225 its reverse (52241524), we get a palindrome (94755749).

The spelling of 42514225 in words is "forty-two million, five hundred fourteen thousand, two hundred twenty-five".