4235220025 has 12 divisors (see below), whose sum is σ = 5255671552. Its totient is φ = 3385596240.

The previous prime is 4235220019. The next prime is 4235220029. The reversal of 4235220025 is 5200225324.

It is a happy number.

4235220025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4235220025 - 2²⁵ = 4201665593 is a prime.

It is a super-2 number, since 2×4235220025² = 35874177320322001250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4235220029) 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, 30657 + ... + 97006.

Almost surely, 2^4235220025 is an apocalyptic number.

It is an amenable number.

4235220025 is a deficient number, since it is larger than the sum of its proper divisors (1020451527).

4235220025 is a wasteful number, since it uses less digits than its factorization.

4235220025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129000 (or 128995 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 4235220025 is about 65078.5680927293. The cubic root of 4235220025 is about 1617.9260185339.

Adding to 4235220025 its reverse (5200225324), we get a palindrome (9435445349).

The spelling of 4235220025 in words is "four billion, two hundred thirty-five million, two hundred twenty thousand, twenty-five".