403253545 has 4 divisors (see below), whose sum is σ = 483904260. Its totient is φ = 322602832.

The previous prime is 403253537. The next prime is 403253567. The reversal of 403253545 is 545352304.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 314743081 + 88510464 = 17741^2 + 9408^2 .

It is a cyclic number.

It is not a de Polignac number, because 403253545 - 2³ = 403253537 is a prime.

It is a super-2 number, since 2×403253545² = 325226843110134050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40325350 + ... + 40325359.

It is an arithmetic number, because the mean of its divisors is an integer number (120976065).

Almost surely, 2^403253545 is an apocalyptic number.

It is an amenable number.

403253545 is a deficient number, since it is larger than the sum of its proper divisors (80650715).

403253545 is an equidigital number, since it uses as much as digits as its factorization.

403253545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80650714.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 403253545 is about 20081.1738949694. The cubic root of 403253545 is about 738.7986014599.

The spelling of 403253545 in words is "four hundred three million, two hundred fifty-three thousand, five hundred forty-five".