42501412 has 6 divisors (see below), whose sum is σ = 74377478. Its totient is φ = 21250704.

The previous prime is 42501409. The next prime is 42501421. The reversal of 42501412 is 21410524.

It can be written as a sum of positive squares in only one way, i.e., 27709696 + 14791716 = 5264^2 + 3846^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42501412.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5312673 + ... + 5312680.

Almost surely, 2^42501412 is an apocalyptic number.

It is an amenable number.

42501412 is a deficient number, since it is larger than the sum of its proper divisors (31876066).

42501412 is a wasteful number, since it uses less digits than its factorization.

42501412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625357 (or 10625355 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 42501412 is about 6519.3106997596. The cubic root of 42501412 is about 348.9804670474.

Adding to 42501412 its reverse (21410524), we get a palindrome (63911936).

The spelling of 42501412 in words is "forty-two million, five hundred one thousand, four hundred twelve".