1525213341 has 8 divisors (see below), whose sum is σ = 2259575360. Its totient is φ = 1016808876.

The previous prime is 1525213337. The next prime is 1525213379. The reversal of 1525213341 is 1433125251.

1525213341 is a `hidden beast` number, since 1 + 525 + 2 + 133 + 4 + 1 = 666.

It is not a de Polignac number, because 1525213341 - 2² = 1525213337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 56489383 = 1525213341 / (1 + 5 + 2 + 5 + 2 + 1 + 3 + 3 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525213541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28244665 + ... + 28244718.

It is an arithmetic number, because the mean of its divisors is an integer number (282446920).

Almost surely, 2^1525213341 is an apocalyptic number.

It is an amenable number.

1525213341 is a deficient number, since it is larger than the sum of its proper divisors (734362019).

1525213341 is an equidigital number, since it uses as much as digits as its factorization.

1525213341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56489392 (or 56489386 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1525213341 is about 39053.9798356070. The cubic root of 1525213341 is about 1151.0924316176.

Adding to 1525213341 its reverse (1433125251), we get a palindrome (2958338592).

The spelling of 1525213341 in words is "one billion, five hundred twenty-five million, two hundred thirteen thousand, three hundred forty-one".