80025551 has 4 divisors (see below), whose sum is σ = 80076600. Its totient is φ = 79974504.

The previous prime is 80025527. The next prime is 80025559. The reversal of 80025551 is 15552008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80025551 is a prime.

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 80025551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80025559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23096 + ... + 26333.

It is an arithmetic number, because the mean of its divisors is an integer number (20019150).

Almost surely, 2^80025551 is an apocalyptic number.

80025551 is a deficient number, since it is larger than the sum of its proper divisors (51049).

80025551 is a wasteful number, since it uses less digits than its factorization.

80025551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51048.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 80025551 is about 8945.7001402909. The cubic root of 80025551 is about 430.9328064241.

Adding to 80025551 its reverse (15552008), we get a palindrome (95577559).

The spelling of 80025551 in words is "eighty million, twenty-five thousand, five hundred fifty-one".