2500825251870 has 192 divisors, whose sum is σ = 7403196662784. Its totient is φ = 579780495360.

The previous prime is 2500825251779. The next prime is 2500825251871. The reversal of 2500825251870 is 781525280052.

2500825251870 is a `hidden beast` number, since 2 + 5 + 0 + 0 + 82 + 52 + 518 + 7 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500825251871) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 155351662 + ... + 155367758.

It is an arithmetic number, because the mean of its divisors is an integer number (38558315952).

Almost surely, 2^{2500825251870} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2500825251870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3701598331392).

2500825251870 is an abundant number, since it is smaller than the sum of its proper divisors (4902371410914).

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

2500825251870 is a wasteful number, since it uses less digits than its factorization.

2500825251870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22967 (or 22964 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The spelling of 2500825251870 in words is "two trillion, five hundred billion, eight hundred twenty-five million, two hundred fifty-one thousand, eight hundred seventy".