1025487851 has 2 divisors, whose sum is σ = 1025487852. Its totient is φ = 1025487850.

The previous prime is 1025487839. The next prime is 1025487887. The reversal of 1025487851 is 1587845201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1025487851 - 2¹⁰ = 1025486827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1025487799 and 1025487808.

It is not a weakly prime, because it can be changed into another prime (1025487451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512743925 + 512743926.

It is an arithmetic number, because the mean of its divisors is an integer number (512743926).

Almost surely, 2^1025487851 is an apocalyptic number.

1025487851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025487851 is an equidigital number, since it uses as much as digits as its factorization.

1025487851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 89600, while the sum is 41.

The square root of 1025487851 is about 32023.2392334067. The cubic root of 1025487851 is about 1008.4247741919.

The spelling of 1025487851 in words is "one billion, twenty-five million, four hundred eighty-seven thousand, eight hundred fifty-one".