1625465541 has 32 divisors (see below), whose sum is σ = 2542982400. Its totient is φ = 904158720.

The previous prime is 1625465539. The next prime is 1625465549. The reversal of 1625465541 is 1455645261.

It is not a de Polignac number, because 1625465541 - 2¹ = 1625465539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1625465541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625465549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436395 + ... + 440103.

It is an arithmetic number, because the mean of its divisors is an integer number (79468200).

Almost surely, 2^1625465541 is an apocalyptic number.

It is an amenable number.

1625465541 is a deficient number, since it is larger than the sum of its proper divisors (917516859).

1625465541 is a wasteful number, since it uses less digits than its factorization.

1625465541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269.

The product of its digits is 144000, while the sum is 39.

The square root of 1625465541 is about 40317.0626534226. The cubic root of 1625465541 is about 1175.7796041870.

The spelling of 1625465541 in words is "one billion, six hundred twenty-five million, four hundred sixty-five thousand, five hundred forty-one".