97429951 has 2 divisors, whose sum is σ = 97429952. Its totient is φ = 97429950.

The previous prime is 97429949. The next prime is 97430017. The reversal of 97429951 is 15992479.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (15992479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97429951 - 2¹ = 97429949 is a prime.

Together with 97429949, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97429901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48714975 + 48714976.

It is an arithmetic number, because the mean of its divisors is an integer number (48714976).

Almost surely, 2^97429951 is an apocalyptic number.

97429951 is a deficient number, since it is larger than the sum of its proper divisors (1).

97429951 is an equidigital number, since it uses as much as digits as its factorization.

97429951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 46.

The square root of 97429951 is about 9870.6611227415. The cubic root of 97429951 is about 460.1479533527.

The spelling of 97429951 in words is "ninety-seven million, four hundred twenty-nine thousand, nine hundred fifty-one".