201430457 has 8 divisors (see below), whose sum is σ = 212201760. Its totient is φ = 190676160.

The previous prime is 201430441. The next prime is 201430477. The reversal of 201430457 is 754034102.

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 201430457 - 2⁴ = 201430441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201430477) 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, 25457 + ... + 32417.

It is an arithmetic number, because the mean of its divisors is an integer number (26525220).

Almost surely, 2^201430457 is an apocalyptic number.

It is an amenable number.

201430457 is a deficient number, since it is larger than the sum of its proper divisors (10771303).

201430457 is a wasteful number, since it uses less digits than its factorization.

201430457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8503.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 201430457 is about 14192.6198074915. The cubic root of 201430457 is about 586.1944640315.

Adding to 201430457 its reverse (754034102), we get a palindrome (955464559).

The spelling of 201430457 in words is "two hundred one million, four hundred thirty thousand, four hundred fifty-seven".