25353223220025 has 36 divisors (see below), whose sum is σ = 47800462967920. Its totient is φ = 12810049624800.

The previous prime is 25353223220021. The next prime is 25353223220027. The reversal of 25353223220025 is 52002232235352.

25353223220025 is a `hidden beast` number, since 2 + 5 + 3 + 5 + 322 + 322 + 0 + 0 + 2 + 5 = 666.

It is not a de Polignac number, because 25353223220025 - 2² = 25353223220021 is a prime.

It is a super-2 number, since 2×25353223220025² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25353223220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2965284991 + ... + 2965293540.

Almost surely, 2^{25353223220025} is an apocalyptic number.

25353223220025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25353223220025 is a deficient number, since it is larger than the sum of its proper divisors (22447239747895).

25353223220025 is a wasteful number, since it uses less digits than its factorization.

25353223220025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930578566 (or 5930578558 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

Adding to 25353223220025 its reverse (52002232235352), we get a palindrome (77355455455377).

The spelling of 25353223220025 in words is "twenty-five trillion, three hundred fifty-three billion, two hundred twenty-three million, two hundred twenty thousand, twenty-five".