40157503 has 2 divisors, whose sum is σ = 40157504. Its totient is φ = 40157502.

The previous prime is 40157501. The next prime is 40157531. The reversal of 40157503 is 30575104.

40157503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40157503 - 2¹ = 40157501 is a prime.

It is a super-2 number, since 2×40157503² = 3225250094390018, which contains 22 as substring.

Together with 40157501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40157501) 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 as a sum of consecutive naturals, namely, 20078751 + 20078752.

It is an arithmetic number, because the mean of its divisors is an integer number (20078752).

Almost surely, 2^40157503 is an apocalyptic number.

40157503 is a deficient number, since it is larger than the sum of its proper divisors (1).

40157503 is an equidigital number, since it uses as much as digits as its factorization.

40157503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 40157503 is about 6336.9947924864. The cubic root of 40157503 is about 342.4434786941.

The spelling of 40157503 in words is "forty million, one hundred fifty-seven thousand, five hundred three".