97148951 has 2 divisors, whose sum is σ = 97148952. Its totient is φ = 97148950.

The previous prime is 97148873. The next prime is 97148983. The reversal of 97148951 is 15984179.

It is a strong prime.

It is an emirp because it is prime and its reverse (15984179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97148951 - 2¹⁸ = 96886807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97148551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48574475 + 48574476.

It is an arithmetic number, because the mean of its divisors is an integer number (48574476).

Almost surely, 2^97148951 is an apocalyptic number.

97148951 is a deficient number, since it is larger than the sum of its proper divisors (1).

97148951 is an equidigital number, since it uses as much as digits as its factorization.

97148951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 44.

The square root of 97148951 is about 9856.4167424069. The cubic root of 97148951 is about 459.7051528916.

The spelling of 97148951 in words is "ninety-seven million, one hundred forty-eight thousand, nine hundred fifty-one".