6152991 has 8 divisors (see below), whose sum is σ = 8835120. Its totient is φ = 3786432.

The previous prime is 6152981. The next prime is 6153013. The reversal of 6152991 is 1992516.

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

It is not a de Polignac number, because 6152991 - 2⁷ = 6152863 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6152921) 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, 78846 + ... + 78923.

It is an arithmetic number, because the mean of its divisors is an integer number (1104390).

Almost surely, 2^6152991 is an apocalyptic number.

6152991 is a deficient number, since it is larger than the sum of its proper divisors (2682129).

6152991 is a wasteful number, since it uses less digits than its factorization.

6152991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157785.

The product of its digits is 4860, while the sum is 33.

The square root of 6152991 is about 2480.5223240277. The cubic root of 6152991 is about 183.2435766332.

The spelling of 6152991 in words is "six million, one hundred fifty-two thousand, nine hundred ninety-one".