61357151 has 2 divisors, whose sum is σ = 61357152. Its totient is φ = 61357150.

The previous prime is 61357067. The next prime is 61357159. The reversal of 61357151 is 15175316.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61357151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61357159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30678575 + 30678576.

It is an arithmetic number, because the mean of its divisors is an integer number (30678576).

Almost surely, 2^61357151 is an apocalyptic number.

61357151 is a deficient number, since it is larger than the sum of its proper divisors (1).

61357151 is an equidigital number, since it uses as much as digits as its factorization.

61357151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3150, while the sum is 29.

The square root of 61357151 is about 7833.0805562052. The cubic root of 61357151 is about 394.4164882183.

The spelling of 61357151 in words is "sixty-one million, three hundred fifty-seven thousand, one hundred fifty-one".