1541653225 has 12 divisors (see below), whose sum is σ = 2184743104. Its totient is φ = 1057133520.

The previous prime is 1541653213. The next prime is 1541653229. The reversal of 1541653225 is 5223561451.

It is not a de Polignac number, because 1541653225 - 2¹³ = 1541645033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1541653229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4404549 + ... + 4404898.

Almost surely, 2^1541653225 is an apocalyptic number.

It is an amenable number.

1541653225 is a deficient number, since it is larger than the sum of its proper divisors (643089879).

1541653225 is an equidigital number, since it uses as much as digits as its factorization.

1541653225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8809464 (or 8809459 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 1541653225 is about 39263.8921275006. The cubic root of 1541653225 is about 1155.2134373145.

The spelling of 1541653225 in words is "one billion, five hundred forty-one million, six hundred fifty-three thousand, two hundred twenty-five".