245290497 has 32 divisors (see below), whose sum is σ = 347328000. Its totient is φ = 153753600.

The previous prime is 245290477. The next prime is 245290499. The reversal of 245290497 is 794092542.

245290497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245290497 - 2¹⁸ = 245028353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245290499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 611497 + ... + 611897.

It is an arithmetic number, because the mean of its divisors is an integer number (10854000).

Almost surely, 2^245290497 is an apocalyptic number.

It is an amenable number.

245290497 is a deficient number, since it is larger than the sum of its proper divisors (102037503).

245290497 is a wasteful number, since it uses less digits than its factorization.

245290497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 245290497 is about 15661.7526796971. The cubic root of 245290497 is about 625.9796876437.

The spelling of 245290497 in words is "two hundred forty-five million, two hundred ninety thousand, four hundred ninety-seven".