61250611 has 2 divisors, whose sum is σ = 61250612. Its totient is φ = 61250610.

The previous prime is 61250591. The next prime is 61250621. The reversal of 61250611 is 11605216.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61250611 is a prime.

It is not a weakly prime, because it can be changed into another prime (61250621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30625305 + 30625306.

It is an arithmetic number, because the mean of its divisors is an integer number (30625306).

Almost surely, 2^61250611 is an apocalyptic number.

61250611 is a deficient number, since it is larger than the sum of its proper divisors (1).

61250611 is an equidigital number, since it uses as much as digits as its factorization.

61250611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 61250611 is about 7826.2769565100. The cubic root of 61250611 is about 394.1880688889.

Adding to 61250611 its reverse (11605216), we get a palindrome (72855827).

The spelling of 61250611 in words is "sixty-one million, two hundred fifty thousand, six hundred eleven".