61248767 has 4 divisors (see below), whose sum is σ = 61289760. Its totient is φ = 61207776.

The previous prime is 61248721. The next prime is 61248797. The reversal of 61248767 is 76784216.

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 61248767 - 2⁶ = 61248703 is a prime.

It is a super-2 number, since 2×61248767² = 7502822918040578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61248797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18167 + ... + 21272.

It is an arithmetic number, because the mean of its divisors is an integer number (15322440).

Almost surely, 2^61248767 is an apocalyptic number.

61248767 is a deficient number, since it is larger than the sum of its proper divisors (40993).

61248767 is a wasteful number, since it uses less digits than its factorization.

61248767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40992.

The product of its digits is 112896, while the sum is 41.

The square root of 61248767 is about 7826.1591473724. The cubic root of 61248767 is about 394.1841130639.

The spelling of 61248767 in words is "sixty-one million, two hundred forty-eight thousand, seven hundred sixty-seven".