80051901 has 4 divisors (see below), whose sum is σ = 106735872. Its totient is φ = 53367932.

The previous prime is 80051899. The next prime is 80051911. The reversal of 80051901 is 10915008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80051901 - 2¹ = 80051899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80051911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13341981 + ... + 13341986.

It is an arithmetic number, because the mean of its divisors is an integer number (26683968).

Almost surely, 2^80051901 is an apocalyptic number.

It is an amenable number.

80051901 is a deficient number, since it is larger than the sum of its proper divisors (26683971).

80051901 is a wasteful number, since it uses less digits than its factorization.

80051901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26683970.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 80051901 is about 8947.1727936818. The cubic root of 80051901 is about 430.9800989585.

Adding to 80051901 its reverse (10915008), we get a palindrome (90966909).

The spelling of 80051901 in words is "eighty million, fifty-one thousand, nine hundred one".