245104051 has 4 divisors (see below), whose sum is σ = 246348432. Its totient is φ = 243859672.

The previous prime is 245104043. The next prime is 245104061. The reversal of 245104051 is 150401542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150401542 = 2 ⋅75200771.

It is a cyclic number.

It is not a de Polignac number, because 245104051 - 2³ = 245104043 is a prime.

It is a super-2 number, since 2×245104051² = 120151991633221202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245104001) 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, 621895 + ... + 622288.

It is an arithmetic number, because the mean of its divisors is an integer number (61587108).

Almost surely, 2^245104051 is an apocalyptic number.

245104051 is a deficient number, since it is larger than the sum of its proper divisors (1244381).

245104051 is a wasteful number, since it uses less digits than its factorization.

245104051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244380.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 245104051 is about 15655.7992769453. The cubic root of 245104051 is about 625.8210444653.

Adding to 245104051 its reverse (150401542), we get a palindrome (395505593).

It can be divided in two parts, 24510 and 4051, that added together give a 4-th power (28561 = 13⁴).

The spelling of 245104051 in words is "two hundred forty-five million, one hundred four thousand, fifty-one".