61011007 has 6 divisors (see below), whose sum is σ = 63043584. Its totient is φ = 59041980.

The previous prime is 61010953. The next prime is 61011053. The reversal of 61011007 is 70011016.

It is a de Polignac number, because none of the positive numbers 2^k-61011007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61011077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30783 + ... + 32704.

It is an arithmetic number, because the mean of its divisors is an integer number (10507264).

Almost surely, 2^61011007 is an apocalyptic number.

61011007 is a deficient number, since it is larger than the sum of its proper divisors (2032577).

61011007 is an equidigital number, since it uses as much as digits as its factorization.

61011007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63549 (or 63518 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 61011007 is about 7810.9542950910. The cubic root of 61011007 is about 393.6733939488.

Subtracting 61011007 from its reverse (70011016), we obtain a palindrome (9000009).

The spelling of 61011007 in words is "sixty-one million, eleven thousand, seven".