6251145 has 16 divisors (see below), whose sum is σ = 10124352. Its totient is φ = 3293120.

The previous prime is 6251137. The next prime is 6251149. The reversal of 6251145 is 5411526.

It is not a de Polignac number, because 6251145 - 2³ = 6251137 is a prime.

It is a super-2 number, since 2×6251145² = 78153627622050, which contains 22 as substring.

It is a Curzon number.

6251145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6251149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1266 + ... + 3755.

It is an arithmetic number, because the mean of its divisors is an integer number (632772).

Almost surely, 2^6251145 is an apocalyptic number.

It is an amenable number.

6251145 is a deficient number, since it is larger than the sum of its proper divisors (3873207).

6251145 is a wasteful number, since it uses less digits than its factorization.

6251145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112.

The product of its digits is 1200, while the sum is 24.

The square root of 6251145 is about 2500.2289895128. The cubic root of 6251145 is about 184.2128228214.

It can be divided in two parts, 625 and 1145, that added together give a triangular number (1770 = T₅₉).

The spelling of 6251145 in words is "six million, two hundred fifty-one thousand, one hundred forty-five".