245241511 has 12 divisors (see below), whose sum is σ = 251474272. Its totient is φ = 239135616.

The previous prime is 245241509. The next prime is 245241523. The reversal of 245241511 is 115142542.

It is not a de Polignac number, because 245241511 - 2¹ = 245241509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245241551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 668050 + ... + 668416.

Almost surely, 2^245241511 is an apocalyptic number.

245241511 is a deficient number, since it is larger than the sum of its proper divisors (6232761).

245241511 is an frugal number, since it uses more digits than its factorization.

245241511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 547 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 245241511 is about 15660.1887281092. The cubic root of 245241511 is about 625.9380142226.

The spelling of 245241511 in words is "two hundred forty-five million, two hundred forty-one thousand, five hundred eleven".