20141525531 has 4 divisors (see below), whose sum is σ = 20254048200. Its totient is φ = 20029002864.

The previous prime is 20141525471. The next prime is 20141525533. The reversal of 20141525531 is 13552514102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13552514102 = 2 ⋅6776257051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20141525531 is a prime.

It is a super-2 number, since 2×20141525531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20141525494 and 20141525503.

It is not an unprimeable number, because it can be changed into a prime (20141525533) 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, 56261066 + ... + 56261423.

It is an arithmetic number, because the mean of its divisors is an integer number (5063512050).

Almost surely, 2^20141525531 is an apocalyptic number.

20141525531 is a deficient number, since it is larger than the sum of its proper divisors (112522669).

20141525531 is a wasteful number, since it uses less digits than its factorization.

20141525531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112522668.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 20141525531 in words is "twenty billion, one hundred forty-one million, five hundred twenty-five thousand, five hundred thirty-one".