7256146 has 4 divisors (see below), whose sum is σ = 10884222. Its totient is φ = 3628072.

The previous prime is 7256141. The next prime is 7256147. The reversal of 7256146 is 6416527.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6416527 = 13 ⋅493579.

It can be written as a sum of positive squares in only one way, i.e., 6426225 + 829921 = 2535^2 + 911^2 .

It is a super-3 number, since 3×7256146³ (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a pancake number, because a pancake can be divided into 7256146 parts by 3809 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (7256141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1814035 + ... + 1814038.

Almost surely, 2^7256146 is an apocalyptic number.

7256146 is a deficient number, since it is larger than the sum of its proper divisors (3628076).

7256146 is a wasteful number, since it uses less digits than its factorization.

7256146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628075.

The product of its digits is 10080, while the sum is 31.

The square root of 7256146 is about 2693.7234453448. The cubic root of 7256146 is about 193.5985071772.

The spelling of 7256146 in words is "seven million, two hundred fifty-six thousand, one hundred forty-six".