531420455 has 8 divisors (see below), whose sum is σ = 654940032. Its totient is φ = 413646048.

The previous prime is 531420433. The next prime is 531420457. The reversal of 531420455 is 554024135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531420455 - 2²⁰ = 530371879 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 (531420457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436087 + ... + 1436456.

It is an arithmetic number, because the mean of its divisors is an integer number (81867504).

Almost surely, 2^531420455 is an apocalyptic number.

531420455 is a deficient number, since it is larger than the sum of its proper divisors (123519577).

531420455 is a wasteful number, since it uses less digits than its factorization.

531420455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872585.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 531420455 is about 23052.5585347918. The cubic root of 531420455 is about 809.9895619241.

The spelling of 531420455 in words is "five hundred thirty-one million, four hundred twenty thousand, four hundred fifty-five".