61350511 has 2 divisors, whose sum is σ = 61350512. Its totient is φ = 61350510.

The previous prime is 61350503. The next prime is 61350517. The reversal of 61350511 is 11505316.

61350511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61350511 - 2³ = 61350503 is a prime.

It is a super-2 number, since 2×61350511² = 7527770399922242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61350517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30675255 + 30675256.

It is an arithmetic number, because the mean of its divisors is an integer number (30675256).

Almost surely, 2^61350511 is an apocalyptic number.

61350511 is a deficient number, since it is larger than the sum of its proper divisors (1).

61350511 is an equidigital number, since it uses as much as digits as its factorization.

61350511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 61350511 is about 7832.6567012732. The cubic root of 61350511 is about 394.4022599394.

Adding to 61350511 its reverse (11505316), we get a palindrome (72855827).

The spelling of 61350511 in words is "sixty-one million, three hundred fifty thousand, five hundred eleven".