1351523425 has 36 divisors (see below), whose sum is σ = 1934747200. Its totient is φ = 917421120.

The previous prime is 1351523417. The next prime is 1351523429. The reversal of 1351523425 is 5243251531.

It is not a de Polignac number, because 1351523425 - 2³ = 1351523417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351523429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6791476 + ... + 6791674.

It is the magic constant of a 1393 × 1393 magic square.

Almost surely, 2^1351523425 is an apocalyptic number.

It is an amenable number.

1351523425 is a deficient number, since it is larger than the sum of its proper divisors (583223775).

1351523425 is an equidigital number, since it uses as much as digits as its factorization.

1351523425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 408 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 1351523425 is about 36763.0714848474. The cubic root of 1351523425 is about 1105.6250226218.

Adding to 1351523425 its reverse (5243251531), we get a palindrome (6594774956).

The spelling of 1351523425 in words is "one billion, three hundred fifty-one million, five hundred twenty-three thousand, four hundred twenty-five".