61251067 has 4 divisors (see below), whose sum is σ = 61489656. Its totient is φ = 61012480.

The previous prime is 61251053. The next prime is 61251077. The reversal of 61251067 is 76015216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61251067 - 2⁷ = 61250939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61251037) 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, 118909 + ... + 119422.

It is an arithmetic number, because the mean of its divisors is an integer number (15372414).

Almost surely, 2^61251067 is an apocalyptic number.

61251067 is a deficient number, since it is larger than the sum of its proper divisors (238589).

61251067 is a wasteful number, since it uses less digits than its factorization.

61251067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238588.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 61251067 is about 7826.3060890819. The cubic root of 61251067 is about 394.1890471067.

The spelling of 61251067 in words is "sixty-one million, two hundred fifty-one thousand, sixty-seven".