245413501 has 2 divisors, whose sum is σ = 245413502. Its totient is φ = 245413500.

The previous prime is 245413499. The next prime is 245413529. The reversal of 245413501 is 105314542.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192487876 + 52925625 = 13874^2 + 7275^2 .

It is a cyclic number.

It is not a de Polignac number, because 245413501 - 2¹ = 245413499 is a prime.

Together with 245413499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245413591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122706750 + 122706751.

It is an arithmetic number, because the mean of its divisors is an integer number (122706751).

Almost surely, 2^245413501 is an apocalyptic number.

It is an amenable number.

245413501 is a deficient number, since it is larger than the sum of its proper divisors (1).

245413501 is an equidigital number, since it uses as much as digits as its factorization.

245413501 is an evil number, because the sum of its binary digits is even.

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

The square root of 245413501 is about 15665.6790788015. The cubic root of 245413501 is about 626.0843052834.

The spelling of 245413501 in words is "two hundred forty-five million, four hundred thirteen thousand, five hundred one".