201153401 has 8 divisors (see below), whose sum is σ = 214543080. Its totient is φ = 187936768.

The previous prime is 201153397. The next prime is 201153409. The reversal of 201153401 is 104351102.

It can be written as a sum of positive squares in 4 ways, for example, as 44903401 + 156250000 = 6701^2 + 12500^2 .

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

It is not a de Polignac number, because 201153401 - 2² = 201153397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201153401.

It is not an unprimeable number, because it can be changed into a prime (201153409) 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, 40856 + ... + 45513.

It is an arithmetic number, because the mean of its divisors is an integer number (26817885).

Almost surely, 2^201153401 is an apocalyptic number.

It is an amenable number.

201153401 is a deficient number, since it is larger than the sum of its proper divisors (13389679).

201153401 is a wasteful number, since it uses less digits than its factorization.

201153401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86523.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 201153401 is about 14182.8558830724. The cubic root of 201153401 is about 585.9255818011.

The spelling of 201153401 in words is "two hundred one million, one hundred fifty-three thousand, four hundred one".