1542255225 has 96 divisors (see below), whose sum is σ = 3057899520. Its totient is φ = 670602240.

The previous prime is 1542255203. The next prime is 1542255233. The reversal of 1542255225 is 5225522451.

It is a happy number.

It is not a de Polignac number, because 1542255225 - 2⁶ = 1542255161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4069086 + ... + 4069464.

It is an arithmetic number, because the mean of its divisors is an integer number (31853120).

Almost surely, 2^1542255225 is an apocalyptic number.

1542255225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1542255225 is a deficient number, since it is larger than the sum of its proper divisors (1515644295).

1542255225 is a wasteful number, since it uses less digits than its factorization.

1542255225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 754 counting only the distinct ones).

The product of its digits is 40000, while the sum is 33.

The square root of 1542255225 is about 39271.5574557465. The cubic root of 1542255225 is about 1155.3637841364.

Adding to 1542255225 its reverse (5225522451), we get a palindrome (6767777676).

The spelling of 1542255225 in words is "one billion, five hundred forty-two million, two hundred fifty-five thousand, two hundred twenty-five".