1425324551 has 8 divisors (see below), whose sum is σ = 1631957664. Its totient is φ = 1219445280.

The previous prime is 1425324547. The next prime is 1425324583. The reversal of 1425324551 is 1554235241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1425324551 - 2² = 1425324547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425324151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184400 + ... + 191973.

It is an arithmetic number, because the mean of its divisors is an integer number (203994708).

Almost surely, 2^1425324551 is an apocalyptic number.

1425324551 is a deficient number, since it is larger than the sum of its proper divisors (206633113).

1425324551 is an equidigital number, since it uses as much as digits as its factorization.

1425324551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376921.

The product of its digits is 24000, while the sum is 32.

The square root of 1425324551 is about 37753.4707146244. The cubic root of 1425324551 is about 1125.3939824366.

Adding to 1425324551 its reverse (1554235241), we get a palindrome (2979559792).

The spelling of 1425324551 in words is "one billion, four hundred twenty-five million, three hundred twenty-four thousand, five hundred fifty-one".