1551425330 has 64 divisors (see below), whose sum is σ = 3459214080. Its totient is φ = 487828224.

The previous prime is 1551425257. The next prime is 1551425341. The reversal of 1551425330 is 335241551.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1551425293 and 1551425302.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137441 + ... + 148299.

It is an arithmetic number, because the mean of its divisors is an integer number (54050220).

Almost surely, 2^1551425330 is an apocalyptic number.

1551425330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1551425330 is an abundant number, since it is smaller than the sum of its proper divisors (1907788750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1551425330 is a wasteful number, since it uses less digits than its factorization.

1551425330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11043.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1551425330 is about 39388.1369196361. The cubic root of 1551425330 is about 1157.6491554886.

Adding to 1551425330 its reverse (335241551), we get a palindrome (1886666881).

The spelling of 1551425330 in words is "one billion, five hundred fifty-one million, four hundred twenty-five thousand, three hundred thirty".