97430051 has 2 divisors, whose sum is σ = 97430052. Its totient is φ = 97430050.

The previous prime is 97430029. The next prime is 97430083. The reversal of 97430051 is 15003479.

It is a weak prime.

It is an emirp because it is prime and its reverse (15003479) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97430051 is a prime.

It is a super-2 number, since 2×97430051² = 18985229675725202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 97429996 and 97430023.

It is not a weakly prime, because it can be changed into another prime (97430251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48715025 + 48715026.

It is an arithmetic number, because the mean of its divisors is an integer number (48715026).

Almost surely, 2^97430051 is an apocalyptic number.

97430051 is a deficient number, since it is larger than the sum of its proper divisors (1).

97430051 is an equidigital number, since it uses as much as digits as its factorization.

97430051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 97430051 is about 9870.6661882570. Note that the first 3 decimals coincide. The cubic root of 97430051 is about 460.1481107813.

The spelling of 97430051 in words is "ninety-seven million, four hundred thirty thousand, fifty-one".