6261157 has 4 divisors (see below), whose sum is σ = 7155616. Its totient is φ = 5366700.

The previous prime is 6261121. The next prime is 6261173. The reversal of 6261157 is 7511626.

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 6261157 - 2¹¹ = 6259109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6261107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447219 + ... + 447232.

It is an arithmetic number, because the mean of its divisors is an integer number (1788904).

Almost surely, 2^6261157 is an apocalyptic number.

It is an amenable number.

6261157 is a deficient number, since it is larger than the sum of its proper divisors (894459).

6261157 is an equidigital number, since it uses as much as digits as its factorization.

6261157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894458.

The product of its digits is 2520, while the sum is 28.

The square root of 6261157 is about 2502.2304050587. The cubic root of 6261157 is about 184.3111170810.

The spelling of 6261157 in words is "six million, two hundred sixty-one thousand, one hundred fifty-seven".