1025413566 has 16 divisors (see below), whose sum is σ = 2055504000. Its totient is φ = 341025048.

The previous prime is 1025413559. The next prime is 1025413591. The reversal of 1025413566 is 6653145201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192016 + ... + 197283.

It is an arithmetic number, because the mean of its divisors is an integer number (128469000).

Almost surely, 2^1025413566 is an apocalyptic number.

1025413566 is an abundant number, since it is smaller than the sum of its proper divisors (1030090434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025413566 is a wasteful number, since it uses less digits than its factorization.

1025413566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389743.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1025413566 is about 32022.0793515974. The cubic root of 1025413566 is about 1008.4004239463.

Adding to 1025413566 its reverse (6653145201), we get a palindrome (7678558767).

The spelling of 1025413566 in words is "one billion, twenty-five million, four hundred thirteen thousand, five hundred sixty-six".