201257002 has 4 divisors (see below), whose sum is σ = 301885506. Its totient is φ = 100628500.

The previous prime is 201256997. The next prime is 201257009. The reversal of 201257002 is 200752102.

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., 195692121 + 5564881 = 13989^2 + 2359^2 .

It is not an unprimeable number, because it can be changed into a prime (201257009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50314249 + ... + 50314252.

Almost surely, 2^201257002 is an apocalyptic number.

201257002 is a deficient number, since it is larger than the sum of its proper divisors (100628504).

201257002 is a wasteful number, since it uses less digits than its factorization.

201257002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100628503.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 201257002 is about 14186.5077450372. The cubic root of 201257002 is about 586.0261552235.

The spelling of 201257002 in words is "two hundred one million, two hundred fifty-seven thousand, two".