1522623425 has 12 divisors (see below), whose sum is σ = 1987424880. Its totient is φ = 1153987920.

The previous prime is 1522623413. The next prime is 1522623451. The reversal of 1522623425 is 5243262251.

It is a de Polignac number, because none of the positive numbers 2^k-1522623425 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1522623391 and 1522623400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1602287 + ... + 1603236.

It is an arithmetic number, because the mean of its divisors is an integer number (165618740).

Almost surely, 2^1522623425 is an apocalyptic number.

It is an amenable number.

1522623425 is a deficient number, since it is larger than the sum of its proper divisors (464801455).

1522623425 is a wasteful number, since it uses less digits than its factorization.

1522623425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205552 (or 3205547 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 1522623425 is about 39020.8075903101. The cubic root of 1522623425 is about 1150.4405180645.

Adding to 1522623425 its reverse (5243262251), we get a palindrome (6765885676).

The spelling of 1522623425 in words is "one billion, five hundred twenty-two million, six hundred twenty-three thousand, four hundred twenty-five".