61004207 has 12 divisors (see below), whose sum is σ = 67379928. Its totient is φ = 55189200.

The previous prime is 61004191. The next prime is 61004213. The reversal of 61004207 is 70240016.

It is not a de Polignac number, because 61004207 - 2⁴ = 61004191 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61004297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26357 + ... + 28577.

It is an arithmetic number, because the mean of its divisors is an integer number (5614994).

Almost surely, 2^61004207 is an apocalyptic number.

61004207 is a deficient number, since it is larger than the sum of its proper divisors (6375721).

61004207 is a wasteful number, since it uses less digits than its factorization.

61004207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470 (or 2459 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 61004207 is about 7810.5189968401. The cubic root of 61004207 is about 393.6587677435.

The spelling of 61004207 in words is "sixty-one million, four thousand, two hundred seven".