2585428403 has 2 divisors, whose sum is σ = 2585428404. Its totient is φ = 2585428402.

The previous prime is 2585428399. The next prime is 2585428463. The reversal of 2585428403 is 3048245852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2585428403 - 2² = 2585428399 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2585428463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292714201 + 1292714202.

It is an arithmetic number, because the mean of its divisors is an integer number (1292714202).

Almost surely, 2^2585428403 is an apocalyptic number.

2585428403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2585428403 is an equidigital number, since it uses as much as digits as its factorization.

2585428403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 307200, while the sum is 41.

The square root of 2585428403 is about 50847.1081085247. The cubic root of 2585428403 is about 1372.4952134254.

The spelling of 2585428403 in words is "two billion, five hundred eighty-five million, four hundred twenty-eight thousand, four hundred three".