50698261 has 2 divisors, whose sum is σ = 50698262. Its totient is φ = 50698260.

The previous prime is 50698243. The next prime is 50698313. The reversal of 50698261 is 16289605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48916036 + 1782225 = 6994^2 + 1335^2 .

It is a cyclic number.

It is not a de Polignac number, because 50698261 - 2⁵ = 50698229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50698261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50698201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25349130 + 25349131.

It is an arithmetic number, because the mean of its divisors is an integer number (25349131).

Almost surely, 2^50698261 is an apocalyptic number.

It is an amenable number.

50698261 is a deficient number, since it is larger than the sum of its proper divisors (1).

50698261 is an equidigital number, since it uses as much as digits as its factorization.

50698261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 50698261 is about 7120.2711324780. The cubic root of 50698261 is about 370.1101717207.

The spelling of 50698261 in words is "fifty million, six hundred ninety-eight thousand, two hundred sixty-one".