1025959487 has 4 divisors (see below), whose sum is σ = 1172525136. Its totient is φ = 879393840.

The previous prime is 1025959483. The next prime is 1025959499. The reversal of 1025959487 is 7849595201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7849595201 = 7 ⋅1121370743.

It is a cyclic number.

It is not a de Polignac number, because 1025959487 - 2² = 1025959483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025959481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73282814 + ... + 73282827.

It is an arithmetic number, because the mean of its divisors is an integer number (293131284).

Almost surely, 2^1025959487 is an apocalyptic number.

1025959487 is a deficient number, since it is larger than the sum of its proper divisors (146565649).

1025959487 is an equidigital number, since it uses as much as digits as its factorization.

1025959487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146565648.

The product of its (nonzero) digits is 907200, while the sum is 50.

The square root of 1025959487 is about 32030.6023515013. The cubic root of 1025959487 is about 1008.5793466496.

The spelling of 1025959487 in words is "one billion, twenty-five million, nine hundred fifty-nine thousand, four hundred eighty-seven".