1025315412 has 24 divisors (see below), whose sum is σ = 2609894112. Its totient is φ = 310701600.

The previous prime is 1025315377. The next prime is 1025315443. The reversal of 1025315412 is 2145135201.

It is a happy number.

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, 3883639 + ... + 3883902.

It is an arithmetic number, because the mean of its divisors is an integer number (108745588).

Almost surely, 2^1025315412 is an apocalyptic number.

1025315412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1025315412 is an abundant number, since it is smaller than the sum of its proper divisors (1584578700).

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

1025315412 is a wasteful number, since it uses less digits than its factorization.

1025315412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7767559 (or 7767557 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1025315412 is about 32020.5467161321. The cubic root of 1025315412 is about 1008.3682477601.

The spelling of 1025315412 in words is "one billion, twenty-five million, three hundred fifteen thousand, four hundred twelve".