201403457 has 2 divisors, whose sum is σ = 201403458. Its totient is φ = 201403456.

The previous prime is 201403427. The next prime is 201403483. The reversal of 201403457 is 754304102.

It is an a-pointer prime, because the next prime (201403483) can be obtained adding 201403457 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185395456 + 16008001 = 13616^2 + 4001^2 .

It is a cyclic number.

It is not a de Polignac number, because 201403457 - 2⁸ = 201403201 is a prime.

It is not a weakly prime, because it can be changed into another prime (201403417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100701728 + 100701729.

It is an arithmetic number, because the mean of its divisors is an integer number (100701729).

Almost surely, 2^201403457 is an apocalyptic number.

It is an amenable number.

201403457 is a deficient number, since it is larger than the sum of its proper divisors (1).

201403457 is an equidigital number, since it uses as much as digits as its factorization.

201403457 is an evil number, because the sum of its binary digits is even.

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

The square root of 201403457 is about 14191.6685770208. The cubic root of 201403457 is about 586.1682714388.

Adding to 201403457 its reverse (754304102), we get a palindrome (955707559).

The spelling of 201403457 in words is "two hundred one million, four hundred three thousand, four hundred fifty-seven".