61936951 has 2 divisors, whose sum is σ = 61936952. Its totient is φ = 61936950.

The previous prime is 61936949. The next prime is 61936991. The reversal of 61936951 is 15963916.

It is an a-pointer prime, because the next prime (61936991) can be obtained adding 61936951 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61936951 - 2¹ = 61936949 is a prime.

Together with 61936949, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61936991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30968475 + 30968476.

It is an arithmetic number, because the mean of its divisors is an integer number (30968476).

Almost surely, 2^61936951 is an apocalyptic number.

61936951 is a deficient number, since it is larger than the sum of its proper divisors (1).

61936951 is an equidigital number, since it uses as much as digits as its factorization.

61936951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 40.

The square root of 61936951 is about 7870.0032401518. The cubic root of 61936951 is about 395.6549535790.

The spelling of 61936951 in words is "sixty-one million, nine hundred thirty-six thousand, nine hundred fifty-one".