61025777 has 4 divisors (see below), whose sum is σ = 64237680. Its totient is φ = 57813876.

The previous prime is 61025761. The next prime is 61025807. The reversal of 61025777 is 77752016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61025777 - 2⁴ = 61025761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61025717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1605923 + ... + 1605960.

It is an arithmetic number, because the mean of its divisors is an integer number (16059420).

Almost surely, 2^61025777 is an apocalyptic number.

It is an amenable number.

61025777 is a deficient number, since it is larger than the sum of its proper divisors (3211903).

61025777 is a wasteful number, since it uses less digits than its factorization.

61025777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211902.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 61025777 is about 7811.8997049373. The cubic root of 61025777 is about 393.7051591836.

The spelling of 61025777 in words is "sixty-one million, twenty-five thousand, seven hundred seventy-seven".