1532525213 has 16 divisors (see below), whose sum is σ = 1671425280. Its totient is φ = 1400695296.

The previous prime is 1532525201. The next prime is 1532525219. The reversal of 1532525213 is 3125252351.

It is a cyclic number.

It is not a de Polignac number, because 1532525213 - 2⁸ = 1532524957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1532525219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52856 + ... + 76542.

It is an arithmetic number, because the mean of its divisors is an integer number (104464080).

Almost surely, 2^1532525213 is an apocalyptic number.

It is an amenable number.

1532525213 is a deficient number, since it is larger than the sum of its proper divisors (138900067).

1532525213 is a wasteful number, since it uses less digits than its factorization.

1532525213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23836.

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

The square root of 1532525213 is about 39147.4802892855. The cubic root of 1532525213 is about 1152.9289455030.

Adding to 1532525213 its reverse (3125252351), we get a palindrome (4657777564).

The spelling of 1532525213 in words is "one billion, five hundred thirty-two million, five hundred twenty-five thousand, two hundred thirteen".