902401 has 2 divisors, whose sum is σ = 902402. Its totient is φ = 902400.

The previous prime is 902389. The next prime is 902413. The reversal of 902401 is 104209.

It is a balanced prime because it is at equal distance from previous prime (902389) and next prime (902413).

It can be written as a sum of positive squares in only one way, i.e., 524176 + 378225 = 724^2 + 615^2 .

It is a cyclic number.

It is not a de Polignac number, because 902401 - 2¹³ = 894209 is a prime.

It is an Ulam number.

902401 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (902471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451200 + 451201.

It is an arithmetic number, because the mean of its divisors is an integer number (451201).

2⁹⁰²⁴⁰¹ is an apocalyptic number.

It is an amenable number.

902401 is a deficient number, since it is larger than the sum of its proper divisors (1).

902401 is an equidigital number, since it uses as much as digits as its factorization.

902401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 902401 is about 949.9478933078. The cubic root of 902401 is about 96.6347192619.

The spelling of 902401 in words is "nine hundred two thousand, four hundred one".