201498057 has 16 divisors (see below), whose sum is σ = 298831680. Its totient is φ = 134189856.

The previous prime is 201498049. The next prime is 201498133. The reversal of 201498057 is 750894102.

It is not a de Polignac number, because 201498057 - 2³ = 201498049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201498007) 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, 26218 + ... + 33020.

It is an arithmetic number, because the mean of its divisors is an integer number (18676980).

Almost surely, 2^201498057 is an apocalyptic number.

201498057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

201498057 is a deficient number, since it is larger than the sum of its proper divisors (97333623).

201498057 is a wasteful number, since it uses less digits than its factorization.

201498057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909 (or 7903 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 201498057 is about 14195.0011271574. The cubic root of 201498057 is about 586.2600322583.

The spelling of 201498057 in words is "two hundred one million, four hundred ninety-eight thousand, fifty-seven".