201952502 has 4 divisors (see below), whose sum is σ = 302928756. Its totient is φ = 100976250.

The previous prime is 201952451. The next prime is 201952579. The reversal of 201952502 is 205259102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 205259102 = 2 ⋅102629551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50488124 + ... + 50488127.

It is an arithmetic number, because the mean of its divisors is an integer number (75732189).

Almost surely, 2^201952502 is an apocalyptic number.

201952502 is a deficient number, since it is larger than the sum of its proper divisors (100976254).

201952502 is a wasteful number, since it uses less digits than its factorization.

201952502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100976253.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 201952502 is about 14210.9993315037. Note that the first 3 decimals coincide. The cubic root of 201952502 is about 586.7004383251.

The spelling of 201952502 in words is "two hundred one million, nine hundred fifty-two thousand, five hundred two".