61562951 has 2 divisors, whose sum is σ = 61562952. Its totient is φ = 61562950.

The previous prime is 61562939. The next prime is 61562953. The reversal of 61562951 is 15926516.

61562951 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 61562951 - 2⁶ = 61562887 is a prime.

It is a Sophie Germain prime.

Together with 61562953, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61562953) 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, 30781475 + 30781476.

It is an arithmetic number, because the mean of its divisors is an integer number (30781476).

Almost surely, 2^61562951 is an apocalyptic number.

61562951 is a deficient number, since it is larger than the sum of its proper divisors (1).

61562951 is an equidigital number, since it uses as much as digits as its factorization.

61562951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 35.

The square root of 61562951 is about 7846.2061532947. The cubic root of 61562951 is about 394.8569711287.

The spelling of 61562951 in words is "sixty-one million, five hundred sixty-two thousand, nine hundred fifty-one".