97142351 has 2 divisors, whose sum is σ = 97142352. Its totient is φ = 97142350.

The previous prime is 97142347. The next prime is 97142399. The reversal of 97142351 is 15324179.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97142351 - 2² = 97142347 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97142321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48571175 + 48571176.

It is an arithmetic number, because the mean of its divisors is an integer number (48571176).

Almost surely, 2^97142351 is an apocalyptic number.

97142351 is a deficient number, since it is larger than the sum of its proper divisors (1).

97142351 is an equidigital number, since it uses as much as digits as its factorization.

97142351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 97142351 is about 9856.0819294484. The cubic root of 97142351 is about 459.6947423392.

The spelling of 97142351 in words is "ninety-seven million, one hundred forty-two thousand, three hundred fifty-one".