201254402 has 4 divisors (see below), whose sum is σ = 301881606. Its totient is φ = 100627200.

The previous prime is 201254353. The next prime is 201254407. The reversal of 201254402 is 204452102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204452102 = 2 ⋅102226051.

It can be written as a sum of positive squares in only one way, i.e., 140398801 + 60855601 = 11849^2 + 7801^2 .

It is not an unprimeable number, because it can be changed into a prime (201254407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50313599 + ... + 50313602.

Almost surely, 2^201254402 is an apocalyptic number.

201254402 is a deficient number, since it is larger than the sum of its proper divisors (100627204).

201254402 is a wasteful number, since it uses less digits than its factorization.

201254402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100627203.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 201254402 is about 14186.4161083764. The cubic root of 201254402 is about 586.0236316267.

The spelling of 201254402 in words is "two hundred one million, two hundred fifty-four thousand, four hundred two".