61001267 has 8 divisors (see below), whose sum is σ = 67004160. Its totient is φ = 55277640.

The previous prime is 61001257. The next prime is 61001279. The reversal of 61001267 is 76210016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61001267 - 2⁶ = 61001203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61001257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69359 + ... + 70232.

It is an arithmetic number, because the mean of its divisors is an integer number (8375520).

Almost surely, 2^61001267 is an apocalyptic number.

61001267 is a deficient number, since it is larger than the sum of its proper divisors (6002893).

61001267 is a wasteful number, since it uses less digits than its factorization.

61001267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139633.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 61001267 is about 7810.3307868489. The cubic root of 61001267 is about 393.6524437241.

The spelling of 61001267 in words is "sixty-one million, one thousand, two hundred sixty-seven".