202425442 has 4 divisors (see below), whose sum is σ = 303638166. Its totient is φ = 101212720.

The previous prime is 202425439. The next prime is 202425451. The reversal of 202425442 is 244524202.

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

It can be written as a sum of positive squares in only one way, i.e., 164121721 + 38303721 = 12811^2 + 6189^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50606359 + ... + 50606362.

Almost surely, 2^202425442 is an apocalyptic number.

202425442 is a deficient number, since it is larger than the sum of its proper divisors (101212724).

202425442 is a wasteful number, since it uses less digits than its factorization.

202425442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101212723.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 202425442 is about 14227.6295284914. The cubic root of 202425442 is about 587.1580670317.

Adding to 202425442 its reverse (244524202), we get a palindrome (446949644).

The spelling of 202425442 in words is "two hundred two million, four hundred twenty-five thousand, four hundred forty-two".