25153545 has 16 divisors (see below), whose sum is σ = 40646592. Its totient is φ = 13281600.

The previous prime is 25153519. The next prime is 25153547. The reversal of 25153545 is 54535152.

It is a happy number.

It is not a de Polignac number, because 25153545 - 2¹⁰ = 25152521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25153547) 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 15 ways as a sum of consecutive naturals, for example, 6787 + ... + 9816.

It is an arithmetic number, because the mean of its divisors is an integer number (2540412).

Almost surely, 2^25153545 is an apocalyptic number.

It is an amenable number.

25153545 is a deficient number, since it is larger than the sum of its proper divisors (15493047).

25153545 is a wasteful number, since it uses less digits than its factorization.

25153545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16712.

The product of its digits is 15000, while the sum is 30.

The square root of 25153545 is about 5015.3309960560. The cubic root of 25153545 is about 292.9991768470. Note that the first 3 decimals are identical.

Adding to 25153545 its reverse (54535152), we get a palindrome (79688697).

The spelling of 25153545 in words is "twenty-five million, one hundred fifty-three thousand, five hundred forty-five".