40251053 has 24 divisors (see below), whose sum is σ = 45386880. Its totient is φ = 35642880.

The previous prime is 40251047. The next prime is 40251059. The reversal of 40251053 is 35015204.

It is an interprime number because it is at equal distance from previous prime (40251047) and next prime (40251059).

It is not a de Polignac number, because 40251053 - 2¹⁰ = 40250029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40251059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 509468 + ... + 509546.

It is an arithmetic number, because the mean of its divisors is an integer number (1891120).

Almost surely, 2^40251053 is an apocalyptic number.

40251053 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

40251053 is a deficient number, since it is larger than the sum of its proper divisors (5135827).

40251053 is a wasteful number, since it uses less digits than its factorization.

40251053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 40251053 is about 6344.3717577078. The cubic root of 40251053 is about 342.7091886339.

Adding to 40251053 its reverse (35015204), we get a palindrome (75266257).

The spelling of 40251053 in words is "forty million, two hundred fifty-one thousand, fifty-three".