61562057 has 4 divisors (see below), whose sum is σ = 62871936. Its totient is φ = 60252180.

The previous prime is 61562051. The next prime is 61562077. The reversal of 61562057 is 75026516.

It is a happy number.

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 61562057 - 2²² = 57367753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61562051) 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, 654869 + ... + 654962.

It is an arithmetic number, because the mean of its divisors is an integer number (15717984).

Almost surely, 2^61562057 is an apocalyptic number.

It is an amenable number.

61562057 is a deficient number, since it is larger than the sum of its proper divisors (1309879).

61562057 is a wasteful number, since it uses less digits than its factorization.

61562057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309878.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 61562057 is about 7846.1491828795. The cubic root of 61562057 is about 394.8550597852.

The spelling of 61562057 in words is "sixty-one million, five hundred sixty-two thousand, fifty-seven".