3525400231 has 4 divisors (see below), whose sum is σ = 3531845752. Its totient is φ = 3518954712.

The previous prime is 3525400223. The next prime is 3525400237. The reversal of 3525400231 is 1320045253.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3525400231 - 2³ = 3525400223 is a prime.

It is a super-2 number, since 2×3525400231² = 24856893577469706722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3525400196 and 3525400205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3525400237) 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, 3221940 + ... + 3223033.

It is an arithmetic number, because the mean of its divisors is an integer number (882961438).

Almost surely, 2^3525400231 is an apocalyptic number.

3525400231 is a deficient number, since it is larger than the sum of its proper divisors (6445521).

3525400231 is an equidigital number, since it uses as much as digits as its factorization.

3525400231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6445520.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3525400231 is about 59375.0808925765. The cubic root of 3525400231 is about 1521.9584967469.

Adding to 3525400231 its reverse (1320045253), we get a palindrome (4845445484).

The spelling of 3525400231 in words is "three billion, five hundred twenty-five million, four hundred thousand, two hundred thirty-one".