40425253 has 6 divisors (see below), whose sum is σ = 44434502. Its totient is φ = 36750120.

The previous prime is 40425251. The next prime is 40425257. The reversal of 40425253 is 35252404.

40425253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 40424164 + 1089 = 6358^2 + 33^2 .

It is not a de Polignac number, because 40425253 - 2¹ = 40425251 is a prime.

It is a super-2 number, since 2×40425253² = 3268402160228018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40425251) 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 5 ways as a sum of consecutive naturals, for example, 166926 + ... + 167167.

Almost surely, 2^40425253 is an apocalyptic number.

It is an amenable number.

40425253 is a deficient number, since it is larger than the sum of its proper divisors (4009249).

40425253 is a wasteful number, since it uses less digits than its factorization.

40425253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334115 (or 334104 counting only the distinct ones).

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

The square root of 40425253 is about 6358.0856395616. The cubic root of 40425253 is about 343.2028736336.

Adding to 40425253 its reverse (35252404), we get a palindrome (75677657).

The spelling of 40425253 in words is "forty million, four hundred twenty-five thousand, two hundred fifty-three".