42713250 has 32 divisors (see below), whose sum is σ = 106614144. Its totient is φ = 11390000.

The previous prime is 42713239. The next prime is 42713261. The reversal of 42713250 is 5231724.

It is an interprime number because it is at equal distance from previous prime (42713239) and next prime (42713261).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42713250.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27726 + ... + 29225.

It is an arithmetic number, because the mean of its divisors is an integer number (3331692).

Almost surely, 2^42713250 is an apocalyptic number.

42713250 is an abundant number, since it is smaller than the sum of its proper divisors (63900894).

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

42713250 is a wasteful number, since it uses less digits than its factorization.

42713250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56971 (or 56961 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 42713250 is about 6535.5374683342. The cubic root of 42713250 is about 349.5593092976.

Adding to 42713250 its reverse (5231724), we get a palindrome (47944974).

The spelling of 42713250 in words is "forty-two million, seven hundred thirteen thousand, two hundred fifty".