71497201 has 2 divisors, whose sum is σ = 71497202. Its totient is φ = 71497200.

The previous prime is 71497177. The next prime is 71497207. The reversal of 71497201 is 10279417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52128400 + 19368801 = 7220^2 + 4401^2 .

It is a cyclic number.

It is not a de Polignac number, because 71497201 - 2⁵ = 71497169 is a prime.

It is a super-2 number, since 2×71497201² = 10223699501668802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71497207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35748600 + 35748601.

It is an arithmetic number, because the mean of its divisors is an integer number (35748601).

Almost surely, 2^71497201 is an apocalyptic number.

It is an amenable number.

71497201 is a deficient number, since it is larger than the sum of its proper divisors (1).

71497201 is an equidigital number, since it uses as much as digits as its factorization.

71497201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 71497201 is about 8455.6017526844. The cubic root of 71497201 is about 415.0461089718.

The spelling of 71497201 in words is "seventy-one million, four hundred ninety-seven thousand, two hundred one".