201451401 has 16 divisors (see below), whose sum is σ = 298741120. Its totient is φ = 134168400.

The previous prime is 201451399. The next prime is 201451477. The reversal of 201451401 is 104154102.

It is not a de Polignac number, because 201451401 - 2¹ = 201451399 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201451301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29676 + ... + 35826.

It is an arithmetic number, because the mean of its divisors is an integer number (18671320).

Almost surely, 2^201451401 is an apocalyptic number.

It is an amenable number.

201451401 is a deficient number, since it is larger than the sum of its proper divisors (97289719).

201451401 is a wasteful number, since it uses less digits than its factorization.

201451401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7373 (or 7367 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 201451401 is about 14193.3576365848. The cubic root of 201451401 is about 586.2147801107.

The spelling of 201451401 in words is "two hundred one million, four hundred fifty-one thousand, four hundred one".