2013525431 has 2 divisors, whose sum is σ = 2013525432. Its totient is φ = 2013525430.

The previous prime is 2013525401. The next prime is 2013525443. The reversal of 2013525431 is 1345253102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2013525431 - 2²⁶ = 1946416567 is a prime.

It is a super-2 number, since 2×2013525431² = 8108569322567471522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2013525431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013525401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006762715 + 1006762716.

It is an arithmetic number, because the mean of its divisors is an integer number (1006762716).

Almost surely, 2^2013525431 is an apocalyptic number.

2013525431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013525431 is an equidigital number, since it uses as much as digits as its factorization.

2013525431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2013525431 is about 44872.3236639245. The cubic root of 2013525431 is about 1262.7548339751.

Adding to 2013525431 its reverse (1345253102), we get a palindrome (3358778533).

The spelling of 2013525431 in words is "two billion, thirteen million, five hundred twenty-five thousand, four hundred thirty-one".