7249951 has 4 divisors (see below), whose sum is σ = 7262392. Its totient is φ = 7237512.

The previous prime is 7249943. The next prime is 7249961. The reversal of 7249951 is 1599427.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7249951 - 2³ = 7249943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7249951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7249901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5301 + ... + 6526.

It is an arithmetic number, because the mean of its divisors is an integer number (1815598).

Almost surely, 2^7249951 is an apocalyptic number.

7249951 is a deficient number, since it is larger than the sum of its proper divisors (12441).

7249951 is a wasteful number, since it uses less digits than its factorization.

7249951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12440.

The product of its digits is 22680, while the sum is 37.

The square root of 7249951 is about 2692.5733044803. The cubic root of 7249951 is about 193.5433960006.

The spelling of 7249951 in words is "seven million, two hundred forty-nine thousand, nine hundred fifty-one".