890542153 has 2 divisors, whose sum is σ = 890542154. Its totient is φ = 890542152.

The previous prime is 890542117. The next prime is 890542171. The reversal of 890542153 is 351245098.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 722373129 + 168169024 = 26877^2 + 12968^2 .

It is a cyclic number.

It is not a de Polignac number, because 890542153 - 2¹³ = 890533961 is a prime.

It is not a weakly prime, because it can be changed into another prime (890542193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445271076 + 445271077.

It is an arithmetic number, because the mean of its divisors is an integer number (445271077).

Almost surely, 2^890542153 is an apocalyptic number.

It is an amenable number.

890542153 is a deficient number, since it is larger than the sum of its proper divisors (1).

890542153 is an equidigital number, since it uses as much as digits as its factorization.

890542153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 890542153 is about 29841.9529019131. The cubic root of 890542153 is about 962.0954492136.

The spelling of 890542153 in words is "eight hundred ninety million, five hundred forty-two thousand, one hundred fifty-three".