61077151 has 2 divisors, whose sum is σ = 61077152. Its totient is φ = 61077150.

The previous prime is 61077143. The next prime is 61077173. The reversal of 61077151 is 15177016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61077151 - 2³ = 61077143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61077251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30538575 + 30538576.

It is an arithmetic number, because the mean of its divisors is an integer number (30538576).

Almost surely, 2^61077151 is an apocalyptic number.

61077151 is a deficient number, since it is larger than the sum of its proper divisors (1).

61077151 is an equidigital number, since it uses as much as digits as its factorization.

61077151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 28.

The square root of 61077151 is about 7815.1872018526. The cubic root of 61077151 is about 393.8156072420.

The spelling of 61077151 in words is "sixty-one million, seventy-seven thousand, one hundred fifty-one".