71554601 has 2 divisors, whose sum is σ = 71554602. Its totient is φ = 71554600.

The previous prime is 71554597. The next prime is 71554619. The reversal of 71554601 is 10645517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37027225 + 34527376 = 6085^2 + 5876^2 .

It is a cyclic number.

It is not a de Polignac number, because 71554601 - 2² = 71554597 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (71554621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35777300 + 35777301.

It is an arithmetic number, because the mean of its divisors is an integer number (35777301).

Almost surely, 2^71554601 is an apocalyptic number.

It is an amenable number.

71554601 is a deficient number, since it is larger than the sum of its proper divisors (1).

71554601 is an equidigital number, since it uses as much as digits as its factorization.

71554601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 71554601 is about 8458.9952713073. The cubic root of 71554601 is about 415.1571495614.

The spelling of 71554601 in words is "seventy-one million, five hundred fifty-four thousand, six hundred one".