1025561470 has 32 divisors (see below), whose sum is σ = 1860677280. Its totient is φ = 406978560.

The previous prime is 1025561443. The next prime is 1025561477. The reversal of 1025561470 is 741655201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025561477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1333246 + ... + 1334014.

It is an arithmetic number, because the mean of its divisors is an integer number (58146165).

Almost surely, 2^1025561470 is an apocalyptic number.

1025561470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025561470 is a deficient number, since it is larger than the sum of its proper divisors (835115810).

1025561470 is a wasteful number, since it uses less digits than its factorization.

1025561470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1025561470 is about 32024.3886748834. The cubic root of 1025561470 is about 1008.4489049660.

The spelling of 1025561470 in words is "one billion, twenty-five million, five hundred sixty-one thousand, four hundred seventy".