245423501 has 4 divisors (see below), whose sum is σ = 256094112. Its totient is φ = 234752892.

The previous prime is 245423467. The next prime is 245423527. The reversal of 245423501 is 105324542.

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, and also an emirpimes, since its reverse is a distinct semiprime: 105324542 = 2 ⋅52662271.

It is a cyclic number.

It is not a de Polignac number, because 245423501 - 2¹⁴ = 245407117 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 (245423401) 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, 5335271 + ... + 5335316.

It is an arithmetic number, because the mean of its divisors is an integer number (64023528).

Almost surely, 2^245423501 is an apocalyptic number.

It is an amenable number.

245423501 is a deficient number, since it is larger than the sum of its proper divisors (10670611).

245423501 is a wasteful number, since it uses less digits than its factorization.

245423501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10670610.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 245423501 is about 15665.9982446061. The cubic root of 245423501 is about 626.0928089694.

The spelling of 245423501 in words is "two hundred forty-five million, four hundred twenty-three thousand, five hundred one".