2532031421 has 2 divisors, whose sum is σ = 2532031422. Its totient is φ = 2532031420.

The previous prime is 2532031373. The next prime is 2532031451. The reversal of 2532031421 is 1241302352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1788105796 + 743925625 = 42286^2 + 27275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2532031421 is a prime.

It is a super-2 number, since 2×2532031421² = 12822366233862558482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2532031451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266015710 + 1266015711.

It is an arithmetic number, because the mean of its divisors is an integer number (1266015711).

Almost surely, 2^2532031421 is an apocalyptic number.

It is an amenable number.

2532031421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2532031421 is an equidigital number, since it uses as much as digits as its factorization.

2532031421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2532031421 is about 50319.2947188253. The cubic root of 2532031421 is about 1362.9806708068.

Adding to 2532031421 its reverse (1241302352), we get a palindrome (3773333773).

The spelling of 2532031421 in words is "two billion, five hundred thirty-two million, thirty-one thousand, four hundred twenty-one".