40270253 has 4 divisors (see below), whose sum is σ = 42389760. Its totient is φ = 38150748.

The previous prime is 40270207. The next prime is 40270261. The reversal of 40270253 is 35207204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40270253 - 2⁸ = 40269997 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40270753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059725 + ... + 1059762.

It is an arithmetic number, because the mean of its divisors is an integer number (10597440).

Almost surely, 2^40270253 is an apocalyptic number.

It is an amenable number.

40270253 is a deficient number, since it is larger than the sum of its proper divisors (2119507).

40270253 is a wasteful number, since it uses less digits than its factorization.

40270253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119506.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 40270253 is about 6345.8847294920. The cubic root of 40270253 is about 342.7636714360.

Adding to 40270253 its reverse (35207204), we get a palindrome (75477457).

The spelling of 40270253 in words is "forty million, two hundred seventy thousand, two hundred fifty-three".