80025525 has 18 divisors (see below), whose sum is σ = 143335010. Its totient is φ = 42680160.

The previous prime is 80025523. The next prime is 80025527. The reversal of 80025525 is 52552008.

It is an interprime number because it is at equal distance from previous prime (80025523) and next prime (80025527).

It can be written as a sum of positive squares in 3 ways, for example, as 18198756 + 61826769 = 4266^2 + 7863^2 .

It is not a de Polignac number, because 80025525 - 2¹ = 80025523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80025521) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 177610 + ... + 178059.

Almost surely, 2^80025525 is an apocalyptic number.

It is an amenable number.

80025525 is a deficient number, since it is larger than the sum of its proper divisors (63309485).

80025525 is a wasteful number, since it uses less digits than its factorization.

80025525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355685 (or 355677 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 80025525 is about 8945.6986870786. The cubic root of 80025525 is about 430.9327597546.

The spelling of 80025525 in words is "eighty million, twenty-five thousand, five hundred twenty-five".