10425551 has 4 divisors (see below), whose sum is σ = 10557600. Its totient is φ = 10293504.

The previous prime is 10425491. The next prime is 10425553. The reversal of 10425551 is 15552401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15552401 = 443 ⋅35107.

It is a cyclic number.

It is not a de Polignac number, because 10425551 - 2⁶ = 10425487 is a prime.

It is a super-2 number, since 2×10425551² = 217384227307202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10425553) 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, 65906 + ... + 66063.

It is an arithmetic number, because the mean of its divisors is an integer number (2639400).

Almost surely, 2^10425551 is an apocalyptic number.

10425551 is a deficient number, since it is larger than the sum of its proper divisors (132049).

10425551 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 9 representation: 10425551 = (21550145)₉.

10425551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132048.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 10425551 is about 3228.8621834944. The cubic root of 10425551 is about 218.4571879808.

Adding to 10425551 its reverse (15552401), we get a palindrome (25977952).

The spelling of 10425551 in words is "ten million, four hundred twenty-five thousand, five hundred fifty-one".