42197254 has 16 divisors (see below), whose sum is σ = 69438096. Its totient is φ = 19072800.

The previous prime is 42197237. The next prime is 42197317. The reversal of 42197254 is 45279124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317 + ... + 9280.

It is an arithmetic number, because the mean of its divisors is an integer number (4339881).

Almost surely, 2^42197254 is an apocalyptic number.

42197254 is a deficient number, since it is larger than the sum of its proper divisors (27240842).

42197254 is a wasteful number, since it uses less digits than its factorization.

42197254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10791.

The product of its digits is 20160, while the sum is 34.

The square root of 42197254 is about 6495.9413482574. The cubic root of 42197254 is about 348.1459895246.

The spelling of 42197254 in words is "forty-two million, one hundred ninety-seven thousand, two hundred fifty-four".