61150877 has 2 divisors, whose sum is σ = 61150878. Its totient is φ = 61150876.

The previous prime is 61150867. The next prime is 61150883. The reversal of 61150877 is 77805116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59151481 + 1999396 = 7691^2 + 1414^2 .

It is a cyclic number.

It is not a de Polignac number, because 61150877 - 2¹² = 61146781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61150867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30575438 + 30575439.

It is an arithmetic number, because the mean of its divisors is an integer number (30575439).

Almost surely, 2^61150877 is an apocalyptic number.

It is an amenable number.

61150877 is a deficient number, since it is larger than the sum of its proper divisors (1).

61150877 is an equidigital number, since it uses as much as digits as its factorization.

61150877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 61150877 is about 7819.9026208771. The cubic root of 61150877 is about 393.9740013078.

The spelling of 61150877 in words is "sixty-one million, one hundred fifty thousand, eight hundred seventy-seven".