1525212134 has 16 divisors (see below), whose sum is σ = 2340845568. Its totient is φ = 744990792.

The previous prime is 1525212089. The next prime is 1525212149. The reversal of 1525212134 is 4312125251.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36587 + ... + 66249.

It is an arithmetic number, because the mean of its divisors is an integer number (146302848).

Almost surely, 2^1525212134 is an apocalyptic number.

1525212134 is a deficient number, since it is larger than the sum of its proper divisors (815633434).

1525212134 is a wasteful number, since it uses less digits than its factorization.

1525212134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30259.

The product of its digits is 2400, while the sum is 26.

The square root of 1525212134 is about 39053.9643826334. The cubic root of 1525212134 is about 1151.0921279728.

Adding to 1525212134 its reverse (4312125251), we get a palindrome (5837337385).

The spelling of 1525212134 in words is "one billion, five hundred twenty-five million, two hundred twelve thousand, one hundred thirty-four".