2528391412 has 12 divisors (see below), whose sum is σ = 4426060576. Its totient is φ = 1263802680.

The previous prime is 2528391391. The next prime is 2528391433. The reversal of 2528391412 is 2141938252.

It is an interprime number because it is at equal distance from previous prime (2528391391) and next prime (2528391433).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 83538 + ... + 109705.

Almost surely, 2^2528391412 is an apocalyptic number.

It is an amenable number.

2528391412 is a deficient number, since it is larger than the sum of its proper divisors (1897669164).

2528391412 is a wasteful number, since it uses less digits than its factorization.

2528391412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196518 (or 196516 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 2528391412 is about 50283.1125925991. The cubic root of 2528391412 is about 1362.3272243055.

The spelling of 2528391412 in words is "two billion, five hundred twenty-eight million, three hundred ninety-one thousand, four hundred twelve".