61142707 has 2 divisors, whose sum is σ = 61142708. Its totient is φ = 61142706.

The previous prime is 61142699. The next prime is 61142713. The reversal of 61142707 is 70724116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61142707 - 2³ = 61142699 is a prime.

It is a super-3 number, since 3×61142707³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61142737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30571353 + 30571354.

It is an arithmetic number, because the mean of its divisors is an integer number (30571354).

Almost surely, 2^61142707 is an apocalyptic number.

61142707 is a deficient number, since it is larger than the sum of its proper divisors (1).

61142707 is an equidigital number, since it uses as much as digits as its factorization.

61142707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 61142707 is about 7819.3802184061. The cubic root of 61142707 is about 393.9564550294.

The spelling of 61142707 in words is "sixty-one million, one hundred forty-two thousand, seven hundred seven".