13825451 has 4 divisors (see below), whose sum is σ = 13952400. Its totient is φ = 13698504.

The previous prime is 13825391. The next prime is 13825453. The reversal of 13825451 is 15452831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15452831 = 1063 ⋅14537.

It is a cyclic number.

It is not a de Polignac number, because 13825451 - 2⁶ = 13825387 is a prime.

It is a super-2 number, since 2×13825451² = 382286190706802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13825453) 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, 63311 + ... + 63528.

It is an arithmetic number, because the mean of its divisors is an integer number (3488100).

Almost surely, 2^13825451 is an apocalyptic number.

13825451 is a deficient number, since it is larger than the sum of its proper divisors (126949).

13825451 is a wasteful number, since it uses less digits than its factorization.

13825451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126948.

The product of its digits is 4800, while the sum is 29.

The square root of 13825451 is about 3718.2591356709. The cubic root of 13825451 is about 240.0083966970.

The spelling of 13825451 in words is "thirteen million, eight hundred twenty-five thousand, four hundred fifty-one".