80147461 has 2 divisors, whose sum is σ = 80147462. Its totient is φ = 80147460.

The previous prime is 80147447. The next prime is 80147489. The reversal of 80147461 is 16474108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77986561 + 2160900 = 8831^2 + 1470^2 .

It is a cyclic number.

It is not a de Polignac number, because 80147461 - 2¹⁷ = 80016389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80147411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40073730 + 40073731.

It is an arithmetic number, because the mean of its divisors is an integer number (40073731).

Almost surely, 2^80147461 is an apocalyptic number.

It is an amenable number.

80147461 is a deficient number, since it is larger than the sum of its proper divisors (1).

80147461 is an equidigital number, since it uses as much as digits as its factorization.

80147461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 80147461 is about 8952.5114353459. The cubic root of 80147461 is about 431.1515214189.

It can be divided in two parts, 80147 and 461, that added together give a palindrome (80608).

The spelling of 80147461 in words is "eighty million, one hundred forty-seven thousand, four hundred sixty-one".