1025393964 has 72 divisors (see below), whose sum is σ = 2904760320. Its totient is φ = 275729664.

The previous prime is 1025393939. The next prime is 1025393983. The reversal of 1025393964 is 4693935201.

It is a happy number.

1025393964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3157 + ... + 45395.

Almost surely, 2^1025393964 is an apocalyptic number.

1025393964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025393964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1452380160).

1025393964 is an abundant number, since it is smaller than the sum of its proper divisors (1879366356).

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

1025393964 is a wasteful number, since it uses less digits than its factorization.

1025393964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42287 (or 42268 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 1025393964 is about 32021.7732800668. The cubic root of 1025393964 is about 1008.3939983141.

The spelling of 1025393964 in words is "one billion, twenty-five million, three hundred ninety-three thousand, nine hundred sixty-four".