80302525 has 6 divisors (see below), whose sum is σ = 99575162. Its totient is φ = 64242000.

The previous prime is 80302501. The next prime is 80302529. The reversal of 80302525 is 52520308.

It can be written as a sum of positive squares in 3 ways, for example, as 18507204 + 61795321 = 4302^2 + 7861^2 .

It is not a de Polignac number, because 80302525 - 2¹⁷ = 80171453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 3212101 = 80302525 / (8 + 0 + 3 + 0 + 2 + 5 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80302525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80302529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1606026 + ... + 1606075.

Almost surely, 2^80302525 is an apocalyptic number.

It is an amenable number.

80302525 is a deficient number, since it is larger than the sum of its proper divisors (19272637).

80302525 is a wasteful number, since it uses less digits than its factorization.

80302525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212111 (or 3212106 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 80302525 is about 8961.1676136539. The cubic root of 80302525 is about 431.4293967615.

The spelling of 80302525 in words is "eighty million, three hundred two thousand, five hundred twenty-five".