403253505 has 32 divisors (see below), whose sum is σ = 717868800. Its totient is φ = 214776576.

The previous prime is 403253483. The next prime is 403253507. The reversal of 403253505 is 505352304.

403253505 is a `hidden beast` number, since 403 + 253 + 5 + 0 + 5 = 666.

It is not a de Polignac number, because 403253505 - 2¹³ = 403245313 is a prime.

It is a super-2 number, since 2×403253505² = 325226778589570050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (403253507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129001 + ... + 132089.

It is an arithmetic number, because the mean of its divisors is an integer number (22433400).

Almost surely, 2^403253505 is an apocalyptic number.

403253505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

403253505 is a deficient number, since it is larger than the sum of its proper divisors (314615295).

403253505 is a wasteful number, since it uses less digits than its factorization.

403253505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070 (or 4064 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 403253505 is about 20081.1728990117. The cubic root of 403253505 is about 738.7985770319.

The spelling of 403253505 in words is "four hundred three million, two hundred fifty-three thousand, five hundred five".