51417701 has 2 divisors, whose sum is σ = 51417702. Its totient is φ = 51417700.

The previous prime is 51417697. The next prime is 51417713. The reversal of 51417701 is 10771415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51136801 + 280900 = 7151^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 51417701 - 2² = 51417697 is a prime.

It is a super-2 number, since 2×51417701² = 5287559952250802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51497701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25708850 + 25708851.

It is an arithmetic number, because the mean of its divisors is an integer number (25708851).

Almost surely, 2^51417701 is an apocalyptic number.

It is an amenable number.

51417701 is a deficient number, since it is larger than the sum of its proper divisors (1).

51417701 is an equidigital number, since it uses as much as digits as its factorization.

51417701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 51417701 is about 7170.6137115313. The cubic root of 51417701 is about 371.8526534226.

The spelling of 51417701 in words is "fifty-one million, four hundred seventeen thousand, seven hundred one".