4925391 has 4 divisors (see below), whose sum is σ = 6567192. Its totient is φ = 3283592.

The previous prime is 4925363. The next prime is 4925399. The reversal of 4925391 is 1935294.

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 4925391 - 2¹⁴ = 4909007 is a prime.

It is a D-number.

4925391 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4925399) 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, 820896 + ... + 820901.

It is an arithmetic number, because the mean of its divisors is an integer number (1641798).

Almost surely, 2^4925391 is an apocalyptic number.

4925391 is a deficient number, since it is larger than the sum of its proper divisors (1641801).

4925391 is a wasteful number, since it uses less digits than its factorization.

4925391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641800.

The product of its digits is 9720, while the sum is 33.

The square root of 4925391 is about 2219.3221938241. The cubic root of 4925391 is about 170.1427981260.

The spelling of 4925391 in words is "four million, nine hundred twenty-five thousand, three hundred ninety-one".