5125145000 has 40 divisors (see below), whose sum is σ = 12008226450. Its totient is φ = 2050056000.

The previous prime is 5125144991. The next prime is 5125145009. The reversal of 5125145000 is 5415215.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5125144991) and next prime (5125145009).

It can be written as a sum of positive squares in 5 ways, for example, as 628906084 + 4496238916 = 25078^2 + 67054^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×5125145000² = 52534222542050000000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5125145009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 507515 + ... + 517514.

Almost surely, 2^5125145000 is an apocalyptic number.

5125145000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5125145000 is an abundant number, since it is smaller than the sum of its proper divisors (6883081450).

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

5125145000 is a wasteful number, since it uses less digits than its factorization.

5125145000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025055 (or 1025036 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 5125145000 is about 71590.1180331476. The cubic root of 5125145000 is about 1724.1248799242.

The spelling of 5125145000 in words is "five billion, one hundred twenty-five million, one hundred forty-five thousand".