7725413 has 4 divisors (see below), whose sum is σ = 7737408. Its totient is φ = 7713420.

The previous prime is 7725409. The next prime is 7725427. The reversal of 7725413 is 3145277.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3145277 = 521 ⋅6037.

It is a cyclic number.

It is not a de Polignac number, because 7725413 - 2² = 7725409 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 (7725433) 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, 4973 + ... + 6338.

It is an arithmetic number, because the mean of its divisors is an integer number (1934352).

Almost surely, 2^7725413 is an apocalyptic number.

It is an amenable number.

7725413 is a deficient number, since it is larger than the sum of its proper divisors (11995).

7725413 is a wasteful number, since it uses less digits than its factorization.

7725413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11994.

The product of its digits is 5880, while the sum is 29.

The square root of 7725413 is about 2779.4627178647. The cubic root of 7725413 is about 197.6850842013.

The spelling of 7725413 in words is "seven million, seven hundred twenty-five thousand, four hundred thirteen".