290053631 has 4 divisors (see below), whose sum is σ = 331489872. Its totient is φ = 248617392.

The previous prime is 290053613. The next prime is 290053633. The reversal of 290053631 is 136350092.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 290053631 - 2¹⁸ = 289791487 is a prime.

It is a super-2 number, since 2×290053631² = 168262217712568322, which contains 22 as substring.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 290053594 and 290053603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290053633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20718110 + ... + 20718123.

It is an arithmetic number, because the mean of its divisors is an integer number (82872468).

Almost surely, 2^290053631 is an apocalyptic number.

290053631 is a deficient number, since it is larger than the sum of its proper divisors (41436241).

290053631 is an equidigital number, since it uses as much as digits as its factorization.

290053631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41436240.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 290053631 is about 17030.9609535105. The cubic root of 290053631 is about 661.9513956521.

The spelling of 290053631 in words is "two hundred ninety million, fifty-three thousand, six hundred thirty-one".