424531501 has 4 divisors (see below), whose sum is σ = 425714400. Its totient is φ = 423348604.

The previous prime is 424531477. The next prime is 424531511. The reversal of 424531501 is 105135424.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 424531501 - 2¹⁷ = 424400429 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 (424531511) 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, 590911 + ... + 591628.

It is an arithmetic number, because the mean of its divisors is an integer number (106428600).

Almost surely, 2^424531501 is an apocalyptic number.

It is an amenable number.

424531501 is a deficient number, since it is larger than the sum of its proper divisors (1182899).

424531501 is a wasteful number, since it uses less digits than its factorization.

424531501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182898.

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

The square root of 424531501 is about 20604.1622251428. The cubic root of 424531501 is about 751.5709300890.

Adding to 424531501 its reverse (105135424), we get a palindrome (529666925).

The spelling of 424531501 in words is "four hundred twenty-four million, five hundred thirty-one thousand, five hundred one".