1025248164 has 12 divisors (see below), whose sum is σ = 2392245744. Its totient is φ = 341749384.

The previous prime is 1025248157. The next prime is 1025248171. The reversal of 1025248164 is 4618425201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1025248157) and next prime (1025248171).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1025248164² = 2102267595570741792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42718662 + ... + 42718685.

It is an arithmetic number, because the mean of its divisors is an integer number (199353812).

Almost surely, 2^1025248164 is an apocalyptic number.

It is an amenable number.

1025248164 is an abundant number, since it is smaller than the sum of its proper divisors (1366997580).

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

1025248164 is a wasteful number, since it uses less digits than its factorization.

1025248164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85437354 (or 85437352 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1025248164 is about 32019.4966231513. The cubic root of 1025248164 is about 1008.3462017862.

The spelling of 1025248164 in words is "one billion, twenty-five million, two hundred forty-eight thousand, one hundred sixty-four".