205151401 has 8 divisors (see below), whose sum is σ = 252494144. Its totient is φ = 162317520.

The previous prime is 205151399. The next prime is 205151431. The reversal of 205151401 is 104151502.

205151401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 205151401 - 2¹ = 205151399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205151431) 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, 1127115 + ... + 1127296.

It is an arithmetic number, because the mean of its divisors is an integer number (31561768).

Almost surely, 2^205151401 is an apocalyptic number.

It is an amenable number.

205151401 is a deficient number, since it is larger than the sum of its proper divisors (47342743).

205151401 is a wasteful number, since it uses less digits than its factorization.

205151401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254431.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 205151401 is about 14323.1072397019. The cubic root of 205151401 is about 589.7819753652.

The spelling of 205151401 in words is "two hundred five million, one hundred fifty-one thousand, four hundred one".