3525562421 has 2 divisors, whose sum is σ = 3525562422. Its totient is φ = 3525562420.

The previous prime is 3525562409. The next prime is 3525562441. The reversal of 3525562421 is 1242655253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1843414225 + 1682148196 = 42935^2 + 41014^2 .

It is a cyclic number.

It is not a de Polignac number, because 3525562421 - 2¹⁸ = 3525300277 is a prime.

It is a super-3 number, since 3×3525562421³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3525562441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1762781210 + 1762781211.

It is an arithmetic number, because the mean of its divisors is an integer number (1762781211).

Almost surely, 2^3525562421 is an apocalyptic number.

It is an amenable number.

3525562421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3525562421 is an equidigital number, since it uses as much as digits as its factorization.

3525562421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 35.

The square root of 3525562421 is about 59376.4466855335. The cubic root of 3525562421 is about 1521.9818361928.

The spelling of 3525562421 in words is "three billion, five hundred twenty-five million, five hundred sixty-two thousand, four hundred twenty-one".