1025867493 has 24 divisors (see below), whose sum is σ = 1697469696. Its totient is φ = 584834400.

The previous prime is 1025867477. The next prime is 1025867501. The reversal of 1025867493 is 3947685201.

1025867493 is a `hidden beast` number, since 102 + 58 + 6 + 7 + 493 = 666.

1025867493 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1025867493 - 2⁴ = 1025867477 is a prime.

It is a super-2 number, since 2×1025867493² = 2104808226388210098, which contains 22 as substring.

1025867493 is strictly pandigital in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025867093) 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 23 ways as a sum of consecutive naturals, for example, 8263 + ... + 46043.

It is an arithmetic number, because the mean of its divisors is an integer number (70727904).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1025867493 = 2051734986, but 3⋅1025867493 = 3077602479 is not.

Almost surely, 2^1025867493 is an apocalyptic number.

It is an amenable number.

1025867493 is a deficient number, since it is larger than the sum of its proper divisors (671602203).

1025867493 is a wasteful number, since it uses less digits than its factorization.

1025867493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38225 (or 38222 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1025867493 is about 32029.1662863709. The cubic root of 1025867493 is about 1008.5492005529.

The spelling of 1025867493 in words is "one billion, twenty-five million, eight hundred sixty-seven thousand, four hundred ninety-three".