425824749 has 48 divisors (see below), whose sum is σ = 753768000. Its totient is φ = 236724768.

The previous prime is 425824733. The next prime is 425824753. The reversal of 425824749 is 947428524.

It is not a de Polignac number, because 425824749 - 2⁴ = 425824733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425824769) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44602 + ... + 53300.

It is an arithmetic number, because the mean of its divisors is an integer number (15703500).

Almost surely, 2^425824749 is an apocalyptic number.

425824749 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

425824749 is a deficient number, since it is larger than the sum of its proper divisors (327943251).

425824749 is a wasteful number, since it uses less digits than its factorization.

425824749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8759 (or 8746 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 425824749 is about 20635.5215344803. The cubic root of 425824749 is about 752.3333252629. Note that the first 4 decimals are identical.

The spelling of 425824749 in words is "four hundred twenty-five million, eight hundred twenty-four thousand, seven hundred forty-nine".