431722461 has 16 divisors (see below), whose sum is σ = 595192320. Its totient is φ = 278064960.

The previous prime is 431722433. The next prime is 431722517. The reversal of 431722461 is 164227134.

It is not a de Polignac number, because 431722461 - 2²³ = 423333853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431722561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57175 + ... + 64283.

It is an arithmetic number, because the mean of its divisors is an integer number (37199520).

Almost surely, 2^431722461 is an apocalyptic number.

It is an amenable number.

431722461 is a deficient number, since it is larger than the sum of its proper divisors (163469859).

431722461 is a wasteful number, since it uses less digits than its factorization.

431722461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7796.

The product of its digits is 8064, while the sum is 30.

The square root of 431722461 is about 20777.9320674604. The cubic root of 431722461 is about 755.7907076506.

Adding to 431722461 its reverse (164227134), we get a palindrome (595949595).

The spelling of 431722461 in words is "four hundred thirty-one million, seven hundred twenty-two thousand, four hundred sixty-one".