432155401 has 4 divisors (see below), whose sum is σ = 438075412. Its totient is φ = 426235392.

The previous prime is 432155389. The next prime is 432155411. The reversal of 432155401 is 104551234.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104551234 = 2 ⋅52275617.

It can be written as a sum of positive squares in 2 ways, for example, as 164865600 + 267289801 = 12840^2 + 16349^2 .

It is a cyclic number.

It is not a de Polignac number, because 432155401 - 2¹⁵ = 432122633 is a prime.

It is a super-2 number, since 2×432155401² = 373516581226941602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432155411) 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, 2959896 + ... + 2960041.

It is an arithmetic number, because the mean of its divisors is an integer number (109518853).

Almost surely, 2^432155401 is an apocalyptic number.

It is an amenable number.

432155401 is a deficient number, since it is larger than the sum of its proper divisors (5920011).

432155401 is an equidigital number, since it uses as much as digits as its factorization.

432155401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5920010.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 432155401 is about 20788.3477217407. The cubic root of 432155401 is about 756.0432639733.

The spelling of 432155401 in words is "four hundred thirty-two million, one hundred fifty-five thousand, four hundred one".