61294151 has 2 divisors, whose sum is σ = 61294152. Its totient is φ = 61294150.

The previous prime is 61294141. The next prime is 61294267. The reversal of 61294151 is 15149216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61294151 - 2¹⁴ = 61277767 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61294111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30647075 + 30647076.

It is an arithmetic number, because the mean of its divisors is an integer number (30647076).

Almost surely, 2^61294151 is an apocalyptic number.

61294151 is a deficient number, since it is larger than the sum of its proper divisors (1).

61294151 is an equidigital number, since it uses as much as digits as its factorization.

61294151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 29.

The square root of 61294151 is about 7829.0581170406. The cubic root of 61294151 is about 394.2814496356.

The spelling of 61294151 in words is "sixty-one million, two hundred ninety-four thousand, one hundred fifty-one".