61214051 has 2 divisors, whose sum is σ = 61214052. Its totient is φ = 61214050.

The previous prime is 61214047. The next prime is 61214053. The reversal of 61214051 is 15041216.

61214051 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 61214051 - 2² = 61214047 is a prime.

Together with 61214053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61214053) 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, 30607025 + 30607026.

It is an arithmetic number, because the mean of its divisors is an integer number (30607026).

Almost surely, 2^61214051 is an apocalyptic number.

61214051 is a deficient number, since it is larger than the sum of its proper divisors (1).

61214051 is an equidigital number, since it uses as much as digits as its factorization.

61214051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 61214051 is about 7823.9408867910. The cubic root of 61214051 is about 394.1096240436.

Adding to 61214051 its reverse (15041216), we get a palindrome (76255267).

The spelling of 61214051 in words is "sixty-one million, two hundred fourteen thousand, fifty-one".