61169001 has 4 divisors (see below), whose sum is σ = 81558672. Its totient is φ = 40779332.

The previous prime is 61168969. The next prime is 61169023. The reversal of 61169001 is 10096116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61169001 - 2⁵ = 61168969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61169041) 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, 10194831 + ... + 10194836.

It is an arithmetic number, because the mean of its divisors is an integer number (20389668).

Almost surely, 2^61169001 is an apocalyptic number.

It is an amenable number.

61169001 is a deficient number, since it is larger than the sum of its proper divisors (20389671).

61169001 is a wasteful number, since it uses less digits than its factorization.

61169001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20389670.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 61169001 is about 7821.0613729851. The cubic root of 61169001 is about 394.0129196894.

The spelling of 61169001 in words is "sixty-one million, one hundred sixty-nine thousand, one".