245202431 has 8 divisors (see below), whose sum is σ = 250680000. Its totient is φ = 239735808.

The previous prime is 245202421. The next prime is 245202457. The reversal of 245202431 is 134202542.

It is a happy number.

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 245202431 - 2¹⁸ = 244940287 is a prime.

It is a super-2 number, since 2×245202431² = 120248464336619522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245202397 and 245202406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245202421) 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, 56615 + ... + 60791.

It is an arithmetic number, because the mean of its divisors is an integer number (31335000).

Almost surely, 2^245202431 is an apocalyptic number.

245202431 is a deficient number, since it is larger than the sum of its proper divisors (5477569).

245202431 is a wasteful number, since it uses less digits than its factorization.

245202431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 245202431 is about 15658.9409284281. The cubic root of 245202431 is about 625.9047640645.

Adding to 245202431 its reverse (134202542), we get a palindrome (379404973).

The spelling of 245202431 in words is "two hundred forty-five million, two hundred two thousand, four hundred thirty-one".