250025551530 has 32 divisors (see below), whose sum is σ = 614016241344. Its totient is φ = 65122934016.

The previous prime is 250025551493. The next prime is 250025551571. The reversal of 250025551530 is 35155520052.

It is a junction number, because it is equal to n+sod(n) for n = 250025551491 and 250025551500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96907839 + ... + 96910418.

It is an arithmetic number, because the mean of its divisors is an integer number (19188007542).

Almost surely, 2^250025551530 is an apocalyptic number.

250025551530 is an abundant number, since it is smaller than the sum of its proper divisors (363990689814).

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

250025551530 is a wasteful number, since it uses less digits than its factorization.

250025551530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193818310.

The product of its (nonzero) digits is 37500, while the sum is 33.

The spelling of 250025551530 in words is "two hundred fifty billion, twenty-five million, five hundred fifty-one thousand, five hundred thirty".