61152877 has 2 divisors, whose sum is σ = 61152878. Its totient is φ = 61152876.

The previous prime is 61152829. The next prime is 61152881. The reversal of 61152877 is 77825116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55145476 + 6007401 = 7426^2 + 2451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61152877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61152277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30576438 + 30576439.

It is an arithmetic number, because the mean of its divisors is an integer number (30576439).

Almost surely, 2^61152877 is an apocalyptic number.

It is an amenable number.

61152877 is a deficient number, since it is larger than the sum of its proper divisors (1).

61152877 is an equidigital number, since it uses as much as digits as its factorization.

61152877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 37.

The square root of 61152877 is about 7820.0304986618. The cubic root of 61152877 is about 393.9782963643.

The spelling of 61152877 in words is "sixty-one million, one hundred fifty-two thousand, eight hundred seventy-seven".