7042251 has 8 divisors (see below), whose sum is σ = 9402064. Its totient is φ = 4688640.

The previous prime is 7042229. The next prime is 7042253. The reversal of 7042251 is 1522407.

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

It is not a de Polignac number, because 7042251 - 2⁵ = 7042219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7042253) 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, 3075 + ... + 4851.

It is an arithmetic number, because the mean of its divisors is an integer number (1175258).

Almost surely, 2^7042251 is an apocalyptic number.

7042251 is a deficient number, since it is larger than the sum of its proper divisors (2359813).

7042251 is a wasteful number, since it uses less digits than its factorization.

7042251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 7042251 is about 2653.7239871547. The cubic root of 7042251 is about 191.6772191628.

Adding to 7042251 its reverse (1522407), we get a palindrome (8564658).

The spelling of 7042251 in words is "seven million, forty-two thousand, two hundred fifty-one".