201425251 has 8 divisors (see below), whose sum is σ = 217198800. Its totient is φ = 186168960.

The previous prime is 201425227. The next prime is 201425261. The reversal of 201425251 is 152524102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201425251 - 2⁵ = 201425219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201425261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128506 + ... + 130063.

It is an arithmetic number, because the mean of its divisors is an integer number (27149850).

Almost surely, 2^201425251 is an apocalyptic number.

201425251 is a deficient number, since it is larger than the sum of its proper divisors (15773549).

201425251 is a wasteful number, since it uses less digits than its factorization.

201425251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258629.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 201425251 is about 14192.4364011258. The cubic root of 201425251 is about 586.1894138937.

Adding to 201425251 its reverse (152524102), we get a palindrome (353949353).

The spelling of 201425251 in words is "two hundred one million, four hundred twenty-five thousand, two hundred fifty-one".