201053421 has 20 divisors (see below), whose sum is σ = 316148800. Its totient is φ = 126980136.

The previous prime is 201053401. The next prime is 201053431. The reversal of 201053421 is 124350102.

It is not a de Polignac number, because 201053421 - 2⁵ = 201053389 is a prime.

It is a super-5 number, since 5×201053421⁵ (a number of 43 digits) contains 55555 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201053394 and 201053403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201053401) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63781 + ... + 66858.

It is an arithmetic number, because the mean of its divisors is an integer number (15807440).

Almost surely, 2^201053421 is an apocalyptic number.

It is an amenable number.

201053421 is a deficient number, since it is larger than the sum of its proper divisors (115095379).

201053421 is a wasteful number, since it uses less digits than its factorization.

201053421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130670 (or 130661 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 201053421 is about 14179.3307670003. The cubic root of 201053421 is about 585.8284908121.

The spelling of 201053421 in words is "two hundred one million, fifty-three thousand, four hundred twenty-one".