42251302 has 4 divisors (see below), whose sum is σ = 63376956. Its totient is φ = 21125650.

The previous prime is 42251291. The next prime is 42251303. The reversal of 42251302 is 20315224.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42251302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42251303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10562824 + ... + 10562827.

It is an arithmetic number, because the mean of its divisors is an integer number (15844239).

Almost surely, 2^42251302 is an apocalyptic number.

42251302 is a deficient number, since it is larger than the sum of its proper divisors (21125654).

42251302 is a wasteful number, since it uses less digits than its factorization.

42251302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21125653.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 42251302 is about 6500.1001530746. The cubic root of 42251302 is about 348.2945660684.

Adding to 42251302 its reverse (20315224), we get a palindrome (62566526).

The spelling of 42251302 in words is "forty-two million, two hundred fifty-one thousand, three hundred two".