1625650406231 has 8 divisors (see below), whose sum is σ = 1647954580704. Its totient is φ = 1603347177600.

The previous prime is 1625650406203. The next prime is 1625650406291. The reversal of 1625650406231 is 1326040565261.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1625650406231 - 2¹⁰ = 1625650405207 is a prime.

It is a super-2 number, since 2×1625650406231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625650406201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3662531 + ... + 4082331.

It is an arithmetic number, because the mean of its divisors is an integer number (205994322588).

Almost surely, 2^{1625650406231} is an apocalyptic number.

1625650406231 is a deficient number, since it is larger than the sum of its proper divisors (22304174473).

1625650406231 is an equidigital number, since it uses as much as digits as its factorization.

1625650406231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472921.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 1625650406231 in words is "one trillion, six hundred twenty-five billion, six hundred fifty million, four hundred six thousand, two hundred thirty-one".