204153401 has 2 divisors, whose sum is σ = 204153402. Its totient is φ = 204153400.

The previous prime is 204153377. The next prime is 204153409. The reversal of 204153401 is 104351402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136913401 + 67240000 = 11701^2 + 8200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204153401 is a prime.

It is a super-3 number, since 3×204153401³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (204153409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102076700 + 102076701.

It is an arithmetic number, because the mean of its divisors is an integer number (102076701).

Almost surely, 2^204153401 is an apocalyptic number.

It is an amenable number.

204153401 is a deficient number, since it is larger than the sum of its proper divisors (1).

204153401 is an equidigital number, since it uses as much as digits as its factorization.

204153401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 204153401 is about 14288.2259570599. The cubic root of 204153401 is about 588.8240495691.

The spelling of 204153401 in words is "two hundred four million, one hundred fifty-three thousand, four hundred one".