51602297 has 2 divisors, whose sum is σ = 51602298. Its totient is φ = 51602296.

The previous prime is 51602273. The next prime is 51602323. The reversal of 51602297 is 79220615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36772096 + 14830201 = 6064^2 + 3851^2 .

It is a cyclic number.

It is not a de Polignac number, because 51602297 - 2¹² = 51598201 is a prime.

It is a super-3 number, since 3×51602297³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (51602597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25801148 + 25801149.

It is an arithmetic number, because the mean of its divisors is an integer number (25801149).

Almost surely, 2^51602297 is an apocalyptic number.

It is an amenable number.

51602297 is a deficient number, since it is larger than the sum of its proper divisors (1).

51602297 is an equidigital number, since it uses as much as digits as its factorization.

51602297 is an evil number, because the sum of its binary digits is even.

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

The square root of 51602297 is about 7183.4738810690. The cubic root of 51602297 is about 372.2971211801.

The spelling of 51602297 in words is "fifty-one million, six hundred two thousand, two hundred ninety-seven".