1525272542 has 8 divisors (see below), whose sum is σ = 2288077632. Its totient is φ = 762580000.

The previous prime is 1525272527. The next prime is 1525272547. The reversal of 1525272542 is 2452725251.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525272547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28742 + ... + 62262.

It is an arithmetic number, because the mean of its divisors is an integer number (286009704).

Almost surely, 2^1525272542 is an apocalyptic number.

1525272542 is a deficient number, since it is larger than the sum of its proper divisors (762805090).

1525272542 is a wasteful number, since it uses less digits than its factorization.

1525272542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56274.

The product of its digits is 56000, while the sum is 35.

The square root of 1525272542 is about 39054.7377663709. The cubic root of 1525272542 is about 1151.1073246033.

Adding to 1525272542 its reverse (2452725251), we get a palindrome (3977997793).

The spelling of 1525272542 in words is "one billion, five hundred twenty-five million, two hundred seventy-two thousand, five hundred forty-two".