9701551 has 2 divisors, whose sum is σ = 9701552. Its totient is φ = 9701550.

The previous prime is 9701513. The next prime is 9701563. The reversal of 9701551 is 1551079.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9701551 - 2¹⁵ = 9668783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9701581) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4850775 + 4850776.

It is an arithmetic number, because the mean of its divisors is an integer number (4850776).

Almost surely, 2^9701551 is an apocalyptic number.

9701551 is a deficient number, since it is larger than the sum of its proper divisors (1).

9701551 is an equidigital number, since it uses as much as digits as its factorization.

9701551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 9701551 is about 3114.7312885705. The cubic root of 9701551 is about 213.2784898626.

The spelling of 9701551 in words is "nine million, seven hundred one thousand, five hundred fifty-one".