80249061 has 24 divisors (see below), whose sum is σ = 117396864. Its totient is φ = 48590080.

The previous prime is 80249053. The next prime is 80249063. The reversal of 80249061 is 16094208.

It is not a de Polignac number, because 80249061 - 2³ = 80249053 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80249063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41956 + ... + 43826.

It is an arithmetic number, because the mean of its divisors is an integer number (4891536).

Almost surely, 2^80249061 is an apocalyptic number.

It is an amenable number.

80249061 is a deficient number, since it is larger than the sum of its proper divisors (37147803).

80249061 is a wasteful number, since it uses less digits than its factorization.

80249061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949 (or 1920 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 80249061 is about 8958.1840235619. The cubic root of 80249061 is about 431.3336294859. Note that the first 3 decimals are identical.

The spelling of 80249061 in words is "eighty million, two hundred forty-nine thousand, sixty-one".